/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 15:26:38,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 15:26:38,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 15:26:38,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 15:26:38,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 15:26:38,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 15:26:38,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 15:26:38,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-01 15:26:38,801 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 15:26:38,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 15:26:38,801 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 15:26:38,801 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 15:26:38,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 15:26:38,802 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 15:26:38,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 15:26:38,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 15:26:38,803 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 15:26:38,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 15:26:38,803 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 15:26:38,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 15:26:38,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 15:26:38,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 15:26:38,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 15:26:38,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 15:26:38,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 15:26:38,804 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 15:26:38,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 15:26:38,804 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 15:26:38,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 15:26:38,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 15:26:38,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 15:26:38,805 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 15:26:38,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 15:26:38,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 15:26:38,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 15:26:38,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 15:26:38,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 15:26:38,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 15:26:38,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 15:26:38,806 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 15:26:38,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 15:26:38,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 15:26:39,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 15:26:39,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 15:26:39,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 15:26:39,019 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 15:26:39,019 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 15:26:39,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c [2022-03-01 15:26:39,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73a8f09e4/59d2003249814b4cad835b85c59b3d92/FLAGb2fc7c739 [2022-03-01 15:26:39,559 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 15:26:39,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c [2022-03-01 15:26:39,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73a8f09e4/59d2003249814b4cad835b85c59b3d92/FLAGb2fc7c739 [2022-03-01 15:26:39,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73a8f09e4/59d2003249814b4cad835b85c59b3d92 [2022-03-01 15:26:39,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 15:26:39,961 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 15:26:39,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 15:26:39,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 15:26:39,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 15:26:39,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 03:26:39" (1/1) ... [2022-03-01 15:26:39,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e4cc8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:26:39, skipping insertion in model container [2022-03-01 15:26:39,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 03:26:39" (1/1) ... [2022-03-01 15:26:39,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 15:26:39,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 15:26:40,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c[2695,2708] [2022-03-01 15:26:40,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 15:26:40,179 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 15:26:40,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c[2695,2708] [2022-03-01 15:26:40,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 15:26:40,212 INFO L208 MainTranslator]: Completed translation [2022-03-01 15:26:40,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:26:40 WrapperNode [2022-03-01 15:26:40,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 15:26:40,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 15:26:40,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 15:26:40,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 15:26:40,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:26:40" (1/1) ... [2022-03-01 15:26:40,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:26:40" (1/1) ... [2022-03-01 15:26:40,253 INFO L137 Inliner]: procedures = 25, calls = 37, calls flagged for inlining = 15, calls inlined = 19, statements flattened = 202 [2022-03-01 15:26:40,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 15:26:40,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 15:26:40,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 15:26:40,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 15:26:40,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:26:40" (1/1) ... [2022-03-01 15:26:40,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:26:40" (1/1) ... [2022-03-01 15:26:40,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:26:40" (1/1) ... [2022-03-01 15:26:40,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:26:40" (1/1) ... [2022-03-01 15:26:40,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:26:40" (1/1) ... [2022-03-01 15:26:40,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:26:40" (1/1) ... [2022-03-01 15:26:40,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:26:40" (1/1) ... [2022-03-01 15:26:40,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 15:26:40,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 15:26:40,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 15:26:40,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 15:26:40,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:26:40" (1/1) ... [2022-03-01 15:26:40,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 15:26:40,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:26:40,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-01 15:26:40,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-01 15:26:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 15:26:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 15:26:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 15:26:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 15:26:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-01 15:26:40,373 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-01 15:26:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-01 15:26:40,373 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-01 15:26:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 15:26:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-01 15:26:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 15:26:40,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 15:26:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 15:26:40,376 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 15:26:40,456 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 15:26:40,457 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 15:26:40,773 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 15:26:40,782 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 15:26:40,783 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-01 15:26:40,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 03:26:40 BoogieIcfgContainer [2022-03-01 15:26:40,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 15:26:40,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 15:26:40,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 15:26:40,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 15:26:40,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 03:26:39" (1/3) ... [2022-03-01 15:26:40,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f30d358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 03:26:40, skipping insertion in model container [2022-03-01 15:26:40,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 03:26:40" (2/3) ... [2022-03-01 15:26:40,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f30d358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 03:26:40, skipping insertion in model container [2022-03-01 15:26:40,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 03:26:40" (3/3) ... [2022-03-01 15:26:40,802 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-chromosome-symm.wvr.c [2022-03-01 15:26:40,807 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 15:26:40,807 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 15:26:40,807 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 15:26:40,807 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 15:26:40,855 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,856 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,856 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,856 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,856 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,856 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,857 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,857 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,857 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,857 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,857 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,857 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,858 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,858 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,858 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,858 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,858 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,859 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,859 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,859 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,859 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,860 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,860 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,860 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,860 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,861 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,861 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,861 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,861 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,861 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,862 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,862 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,862 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,862 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,863 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,863 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,863 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,863 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,863 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,863 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,864 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,864 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,864 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,864 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,864 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,865 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,865 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,865 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,865 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,865 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,865 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,865 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,866 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,866 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,866 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,866 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,866 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,866 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,867 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,867 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,867 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,867 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,867 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,867 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,867 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,868 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,868 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,868 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,868 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,868 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,869 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,869 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,869 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,870 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,870 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,870 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,870 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,870 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,871 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,879 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,881 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,881 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,881 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,882 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,882 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,882 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,882 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,883 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,883 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,883 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,883 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,883 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,883 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,884 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,884 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,884 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,884 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,884 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,884 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,885 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,885 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,885 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,885 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,885 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,885 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,885 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,886 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,886 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,886 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,887 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,887 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,887 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,887 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,887 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,887 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,888 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,889 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,889 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,889 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,889 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,889 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,889 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,890 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,891 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,891 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,896 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,898 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,898 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,898 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,898 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,898 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,899 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,899 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,899 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,900 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,900 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,900 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,901 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,901 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,901 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,902 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,904 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,905 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,905 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,905 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,905 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,906 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,906 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,906 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,906 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,906 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,907 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,907 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,907 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,908 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,908 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,908 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,908 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,909 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,910 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,910 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,910 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,910 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,911 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,911 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,912 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,912 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,912 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,912 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,912 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,913 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,913 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,913 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,913 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,913 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,913 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,915 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,915 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,915 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,915 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,918 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,918 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,925 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,930 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,930 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,930 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,931 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,932 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,932 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,933 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,942 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,942 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,942 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,943 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,943 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,943 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,943 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,943 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,943 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,943 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,944 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,944 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,944 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,944 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,944 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,944 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,946 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,946 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,946 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,946 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,946 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,946 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,946 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,951 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,951 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,952 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,952 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~stop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,952 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,952 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,952 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,952 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,952 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,952 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,953 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,953 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,953 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,953 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,953 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,953 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,955 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,955 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,955 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~stop~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,956 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,957 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 15:26:40,965 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-01 15:26:41,010 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 15:26:41,018 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 15:26:41,018 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-01 15:26:41,035 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 256 places, 272 transitions, 560 flow [2022-03-01 15:26:41,479 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 11835 states, 11834 states have (on average 2.8858374176102757) internal successors, (34151), 11834 states have internal predecessors, (34151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:41,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 11835 states, 11834 states have (on average 2.8858374176102757) internal successors, (34151), 11834 states have internal predecessors, (34151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:41,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-03-01 15:26:41,608 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:26:41,609 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:26:41,610 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:26:41,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:26:41,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1901718774, now seen corresponding path program 1 times [2022-03-01 15:26:41,629 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:26:41,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808436808] [2022-03-01 15:26:41,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:26:41,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:26:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:26:41,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:26:41,900 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:26:41,900 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808436808] [2022-03-01 15:26:41,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808436808] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:26:41,901 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:26:41,901 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 15:26:41,902 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578001868] [2022-03-01 15:26:41,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:26:41,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 15:26:41,907 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:26:41,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 15:26:41,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 15:26:41,970 INFO L87 Difference]: Start difference. First operand has 11835 states, 11834 states have (on average 2.8858374176102757) internal successors, (34151), 11834 states have internal predecessors, (34151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:42,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:26:42,155 INFO L93 Difference]: Finished difference Result 11835 states and 32410 transitions. [2022-03-01 15:26:42,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 15:26:42,158 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2022-03-01 15:26:42,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:26:42,246 INFO L225 Difference]: With dead ends: 11835 [2022-03-01 15:26:42,247 INFO L226 Difference]: Without dead ends: 10565 [2022-03-01 15:26:42,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 15:26:42,253 INFO L933 BasicCegarLoop]: 240 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:26:42,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 240 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 15:26:42,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10565 states. [2022-03-01 15:26:42,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10565 to 10565. [2022-03-01 15:26:42,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10565 states, 10564 states have (on average 2.7381673608481636) internal successors, (28926), 10564 states have internal predecessors, (28926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:42,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10565 states to 10565 states and 28926 transitions. [2022-03-01 15:26:42,749 INFO L78 Accepts]: Start accepts. Automaton has 10565 states and 28926 transitions. Word has length 147 [2022-03-01 15:26:42,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:26:42,754 INFO L470 AbstractCegarLoop]: Abstraction has 10565 states and 28926 transitions. [2022-03-01 15:26:42,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:42,754 INFO L276 IsEmpty]: Start isEmpty. Operand 10565 states and 28926 transitions. [2022-03-01 15:26:42,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-03-01 15:26:42,881 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:26:42,881 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:26:42,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 15:26:42,882 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:26:42,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:26:42,885 INFO L85 PathProgramCache]: Analyzing trace with hash 417763258, now seen corresponding path program 1 times [2022-03-01 15:26:42,885 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:26:42,885 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745212187] [2022-03-01 15:26:42,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:26:42,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:26:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:26:43,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 15:26:43,095 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:26:43,095 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745212187] [2022-03-01 15:26:43,095 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745212187] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:26:43,095 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:26:43,095 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 15:26:43,095 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46641350] [2022-03-01 15:26:43,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:26:43,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-01 15:26:43,097 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:26:43,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-01 15:26:43,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-01 15:26:43,098 INFO L87 Difference]: Start difference. First operand 10565 states and 28926 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:43,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:26:43,222 INFO L93 Difference]: Finished difference Result 10577 states and 28938 transitions. [2022-03-01 15:26:43,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-01 15:26:43,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2022-03-01 15:26:43,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:26:43,272 INFO L225 Difference]: With dead ends: 10577 [2022-03-01 15:26:43,273 INFO L226 Difference]: Without dead ends: 10577 [2022-03-01 15:26:43,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:26:43,276 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 429 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:26:43,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [429 Valid, 437 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 15:26:43,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10577 states. [2022-03-01 15:26:43,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10577 to 10567. [2022-03-01 15:26:43,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10567 states, 10566 states have (on average 2.7378383494226766) internal successors, (28928), 10566 states have internal predecessors, (28928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:43,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10567 states to 10567 states and 28928 transitions. [2022-03-01 15:26:43,631 INFO L78 Accepts]: Start accepts. Automaton has 10567 states and 28928 transitions. Word has length 147 [2022-03-01 15:26:43,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:26:43,631 INFO L470 AbstractCegarLoop]: Abstraction has 10567 states and 28928 transitions. [2022-03-01 15:26:43,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:43,632 INFO L276 IsEmpty]: Start isEmpty. Operand 10567 states and 28928 transitions. [2022-03-01 15:26:43,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-03-01 15:26:43,658 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:26:43,658 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:26:43,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 15:26:43,658 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:26:43,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:26:43,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1831897314, now seen corresponding path program 1 times [2022-03-01 15:26:43,659 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:26:43,659 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572126844] [2022-03-01 15:26:43,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:26:43,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:26:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:26:43,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 15:26:43,875 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:26:43,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572126844] [2022-03-01 15:26:43,875 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572126844] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:26:43,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182216216] [2022-03-01 15:26:43,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:26:43,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:26:43,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:26:43,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:26:43,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-01 15:26:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:26:44,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-01 15:26:44,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:26:44,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 15:26:44,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:26:44,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 15:26:44,777 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182216216] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:26:44,778 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:26:44,778 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-03-01 15:26:44,778 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952026381] [2022-03-01 15:26:44,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:26:44,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-01 15:26:44,779 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:26:44,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-01 15:26:44,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-03-01 15:26:44,781 INFO L87 Difference]: Start difference. First operand 10567 states and 28928 transitions. Second operand has 15 states, 15 states have (on average 13.2) internal successors, (198), 15 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:45,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:26:45,043 INFO L93 Difference]: Finished difference Result 10595 states and 28956 transitions. [2022-03-01 15:26:45,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 15:26:45,044 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 13.2) internal successors, (198), 15 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2022-03-01 15:26:45,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:26:45,077 INFO L225 Difference]: With dead ends: 10595 [2022-03-01 15:26:45,077 INFO L226 Difference]: Without dead ends: 10595 [2022-03-01 15:26:45,078 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=163, Invalid=343, Unknown=0, NotChecked=0, Total=506 [2022-03-01 15:26:45,080 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 908 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 908 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:26:45,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [908 Valid, 1058 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:26:45,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10595 states. [2022-03-01 15:26:45,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10595 to 10595. [2022-03-01 15:26:45,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10595 states, 10594 states have (on average 2.73324523315084) internal successors, (28956), 10594 states have internal predecessors, (28956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:45,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10595 states to 10595 states and 28956 transitions. [2022-03-01 15:26:45,425 INFO L78 Accepts]: Start accepts. Automaton has 10595 states and 28956 transitions. Word has length 161 [2022-03-01 15:26:45,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:26:45,426 INFO L470 AbstractCegarLoop]: Abstraction has 10595 states and 28956 transitions. [2022-03-01 15:26:45,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 13.2) internal successors, (198), 15 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 10595 states and 28956 transitions. [2022-03-01 15:26:45,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-03-01 15:26:45,459 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:26:45,459 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:26:45,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-01 15:26:45,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:26:45,688 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:26:45,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:26:45,688 INFO L85 PathProgramCache]: Analyzing trace with hash -634877598, now seen corresponding path program 2 times [2022-03-01 15:26:45,689 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:26:45,689 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221074134] [2022-03-01 15:26:45,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:26:45,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:26:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:26:45,842 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-01 15:26:45,843 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:26:45,843 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221074134] [2022-03-01 15:26:45,843 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221074134] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:26:45,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426043333] [2022-03-01 15:26:45,845 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 15:26:45,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:26:45,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:26:45,848 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:26:45,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-01 15:26:45,957 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 15:26:45,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:26:45,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-01 15:26:45,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:26:46,377 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-03-01 15:26:46,377 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 15:26:46,377 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426043333] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:26:46,379 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 15:26:46,379 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2022-03-01 15:26:46,379 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353100545] [2022-03-01 15:26:46,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:26:46,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 15:26:46,382 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:26:46,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 15:26:46,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2022-03-01 15:26:46,383 INFO L87 Difference]: Start difference. First operand 10595 states and 28956 transitions. Second operand has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:46,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:26:46,750 INFO L93 Difference]: Finished difference Result 17422 states and 47718 transitions. [2022-03-01 15:26:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 15:26:46,751 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2022-03-01 15:26:46,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:26:46,809 INFO L225 Difference]: With dead ends: 17422 [2022-03-01 15:26:46,809 INFO L226 Difference]: Without dead ends: 17422 [2022-03-01 15:26:46,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2022-03-01 15:26:46,810 INFO L933 BasicCegarLoop]: 465 mSDtfsCounter, 855 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:26:46,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [855 Valid, 1641 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:26:46,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17422 states. [2022-03-01 15:26:47,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17422 to 11327. [2022-03-01 15:26:47,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11327 states, 11326 states have (on average 2.7511036553063746) internal successors, (31159), 11326 states have internal predecessors, (31159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:47,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11327 states to 11327 states and 31159 transitions. [2022-03-01 15:26:47,179 INFO L78 Accepts]: Start accepts. Automaton has 11327 states and 31159 transitions. Word has length 189 [2022-03-01 15:26:47,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:26:47,180 INFO L470 AbstractCegarLoop]: Abstraction has 11327 states and 31159 transitions. [2022-03-01 15:26:47,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:47,181 INFO L276 IsEmpty]: Start isEmpty. Operand 11327 states and 31159 transitions. [2022-03-01 15:26:47,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-03-01 15:26:47,202 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:26:47,203 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:26:47,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-01 15:26:47,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-03-01 15:26:47,425 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:26:47,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:26:47,426 INFO L85 PathProgramCache]: Analyzing trace with hash 357756226, now seen corresponding path program 1 times [2022-03-01 15:26:47,426 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:26:47,426 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433839761] [2022-03-01 15:26:47,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:26:47,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:26:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:26:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-03-01 15:26:47,504 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:26:47,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433839761] [2022-03-01 15:26:47,504 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433839761] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:26:47,504 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:26:47,504 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-01 15:26:47,505 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385082993] [2022-03-01 15:26:47,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:26:47,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-01 15:26:47,505 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:26:47,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-01 15:26:47,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-01 15:26:47,506 INFO L87 Difference]: Start difference. First operand 11327 states and 31159 transitions. Second operand has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:47,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:26:47,634 INFO L93 Difference]: Finished difference Result 20301 states and 55455 transitions. [2022-03-01 15:26:47,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-01 15:26:47,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2022-03-01 15:26:47,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:26:47,701 INFO L225 Difference]: With dead ends: 20301 [2022-03-01 15:26:47,701 INFO L226 Difference]: Without dead ends: 20118 [2022-03-01 15:26:47,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-01 15:26:47,702 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 283 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:26:47,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 882 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 15:26:47,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20118 states. [2022-03-01 15:26:48,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20118 to 11550. [2022-03-01 15:26:48,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11550 states, 11549 states have (on average 2.7529656247294136) internal successors, (31794), 11549 states have internal predecessors, (31794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:48,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11550 states to 11550 states and 31794 transitions. [2022-03-01 15:26:48,210 INFO L78 Accepts]: Start accepts. Automaton has 11550 states and 31794 transitions. Word has length 189 [2022-03-01 15:26:48,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:26:48,210 INFO L470 AbstractCegarLoop]: Abstraction has 11550 states and 31794 transitions. [2022-03-01 15:26:48,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:48,211 INFO L276 IsEmpty]: Start isEmpty. Operand 11550 states and 31794 transitions. [2022-03-01 15:26:48,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-03-01 15:26:48,237 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:26:48,237 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:26:48,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-01 15:26:48,238 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:26:48,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:26:48,238 INFO L85 PathProgramCache]: Analyzing trace with hash -687867362, now seen corresponding path program 3 times [2022-03-01 15:26:48,238 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:26:48,238 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292355810] [2022-03-01 15:26:48,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:26:48,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:26:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:26:48,383 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-01 15:26:48,383 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:26:48,383 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292355810] [2022-03-01 15:26:48,384 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292355810] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:26:48,384 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49018421] [2022-03-01 15:26:48,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 15:26:48,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:26:48,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:26:48,385 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:26:48,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-01 15:26:48,489 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-03-01 15:26:48,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:26:48,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-01 15:26:48,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:26:49,006 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-03-01 15:26:49,006 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 15:26:49,007 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49018421] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:26:49,007 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 15:26:49,007 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2022-03-01 15:26:49,007 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253330206] [2022-03-01 15:26:49,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:26:49,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 15:26:49,008 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:26:49,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 15:26:49,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2022-03-01 15:26:49,009 INFO L87 Difference]: Start difference. First operand 11550 states and 31794 transitions. Second operand has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:49,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:26:49,526 INFO L93 Difference]: Finished difference Result 22700 states and 62199 transitions. [2022-03-01 15:26:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 15:26:49,527 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2022-03-01 15:26:49,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:26:49,598 INFO L225 Difference]: With dead ends: 22700 [2022-03-01 15:26:49,599 INFO L226 Difference]: Without dead ends: 22434 [2022-03-01 15:26:49,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2022-03-01 15:26:49,600 INFO L933 BasicCegarLoop]: 433 mSDtfsCounter, 715 mSDsluCounter, 1338 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 1753 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:26:49,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [715 Valid, 1753 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:26:49,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22434 states. [2022-03-01 15:26:49,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22434 to 11566. [2022-03-01 15:26:49,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11566 states, 11565 states have (on average 2.752961521833117) internal successors, (31838), 11565 states have internal predecessors, (31838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:50,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11566 states to 11566 states and 31838 transitions. [2022-03-01 15:26:50,017 INFO L78 Accepts]: Start accepts. Automaton has 11566 states and 31838 transitions. Word has length 189 [2022-03-01 15:26:50,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:26:50,018 INFO L470 AbstractCegarLoop]: Abstraction has 11566 states and 31838 transitions. [2022-03-01 15:26:50,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:50,018 INFO L276 IsEmpty]: Start isEmpty. Operand 11566 states and 31838 transitions. [2022-03-01 15:26:50,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-03-01 15:26:50,049 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:26:50,049 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:26:50,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-01 15:26:50,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:26:50,272 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:26:50,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:26:50,272 INFO L85 PathProgramCache]: Analyzing trace with hash -477297476, now seen corresponding path program 4 times [2022-03-01 15:26:50,272 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:26:50,272 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042084825] [2022-03-01 15:26:50,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:26:50,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:26:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:26:50,373 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-01 15:26:50,373 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:26:50,373 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042084825] [2022-03-01 15:26:50,373 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042084825] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:26:50,373 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953012785] [2022-03-01 15:26:50,373 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 15:26:50,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:26:50,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:26:50,375 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:26:50,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-01 15:26:50,489 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 15:26:50,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:26:50,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-01 15:26:50,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:26:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-01 15:26:50,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:26:51,231 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-01 15:26:51,231 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953012785] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:26:51,231 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:26:51,231 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2022-03-01 15:26:51,231 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685371877] [2022-03-01 15:26:51,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:26:51,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-01 15:26:51,232 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:26:51,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-01 15:26:51,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2022-03-01 15:26:51,233 INFO L87 Difference]: Start difference. First operand 11566 states and 31838 transitions. Second operand has 22 states, 22 states have (on average 10.272727272727273) internal successors, (226), 22 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:51,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:26:51,579 INFO L93 Difference]: Finished difference Result 11594 states and 31866 transitions. [2022-03-01 15:26:51,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-01 15:26:51,579 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 10.272727272727273) internal successors, (226), 22 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2022-03-01 15:26:51,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:26:51,612 INFO L225 Difference]: With dead ends: 11594 [2022-03-01 15:26:51,613 INFO L226 Difference]: Without dead ends: 11594 [2022-03-01 15:26:51,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 366 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=370, Invalid=890, Unknown=0, NotChecked=0, Total=1260 [2022-03-01 15:26:51,614 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 774 mSDsluCounter, 1548 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 1729 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:26:51,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [774 Valid, 1729 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:26:51,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11594 states. [2022-03-01 15:26:51,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11594 to 11594. [2022-03-01 15:26:51,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11594 states, 11593 states have (on average 2.7487276804968515) internal successors, (31866), 11593 states have internal predecessors, (31866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:51,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11594 states to 11594 states and 31866 transitions. [2022-03-01 15:26:51,911 INFO L78 Accepts]: Start accepts. Automaton has 11594 states and 31866 transitions. Word has length 189 [2022-03-01 15:26:51,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:26:51,911 INFO L470 AbstractCegarLoop]: Abstraction has 11594 states and 31866 transitions. [2022-03-01 15:26:51,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 10.272727272727273) internal successors, (226), 22 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:51,911 INFO L276 IsEmpty]: Start isEmpty. Operand 11594 states and 31866 transitions. [2022-03-01 15:26:51,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-03-01 15:26:51,930 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:26:51,930 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:26:51,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-01 15:26:52,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:26:52,144 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:26:52,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:26:52,144 INFO L85 PathProgramCache]: Analyzing trace with hash 669254972, now seen corresponding path program 5 times [2022-03-01 15:26:52,144 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:26:52,145 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244078308] [2022-03-01 15:26:52,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:26:52,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:26:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:26:52,330 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:26:52,330 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:26:52,330 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244078308] [2022-03-01 15:26:52,330 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244078308] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:26:52,330 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:26:52,330 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:26:52,330 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793136618] [2022-03-01 15:26:52,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:26:52,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:26:52,331 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:26:52,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:26:52,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:26:52,332 INFO L87 Difference]: Start difference. First operand 11594 states and 31866 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:52,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:26:52,703 INFO L93 Difference]: Finished difference Result 29003 states and 79668 transitions. [2022-03-01 15:26:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 15:26:52,704 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-03-01 15:26:52,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:26:52,788 INFO L225 Difference]: With dead ends: 29003 [2022-03-01 15:26:52,788 INFO L226 Difference]: Without dead ends: 28975 [2022-03-01 15:26:52,788 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-03-01 15:26:52,789 INFO L933 BasicCegarLoop]: 445 mSDtfsCounter, 807 mSDsluCounter, 1677 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 2096 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:26:52,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [807 Valid, 2096 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:26:52,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28975 states. [2022-03-01 15:26:53,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28975 to 11590. [2022-03-01 15:26:53,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11590 states, 11589 states have (on average 2.7487272413495556) internal successors, (31855), 11589 states have internal predecessors, (31855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:53,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11590 states to 11590 states and 31855 transitions. [2022-03-01 15:26:53,386 INFO L78 Accepts]: Start accepts. Automaton has 11590 states and 31855 transitions. Word has length 217 [2022-03-01 15:26:53,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:26:53,386 INFO L470 AbstractCegarLoop]: Abstraction has 11590 states and 31855 transitions. [2022-03-01 15:26:53,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:53,386 INFO L276 IsEmpty]: Start isEmpty. Operand 11590 states and 31855 transitions. [2022-03-01 15:26:53,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-03-01 15:26:53,402 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:26:53,402 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:26:53,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-01 15:26:53,403 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:26:53,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:26:53,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1010713990, now seen corresponding path program 6 times [2022-03-01 15:26:53,403 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:26:53,403 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562141573] [2022-03-01 15:26:53,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:26:53,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:26:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:26:53,565 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:26:53,565 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:26:53,565 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562141573] [2022-03-01 15:26:53,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562141573] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:26:53,565 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:26:53,566 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:26:53,566 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164565262] [2022-03-01 15:26:53,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:26:53,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:26:53,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:26:53,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:26:53,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:26:53,567 INFO L87 Difference]: Start difference. First operand 11590 states and 31855 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:53,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:26:53,963 INFO L93 Difference]: Finished difference Result 37734 states and 103257 transitions. [2022-03-01 15:26:53,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 15:26:53,964 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-03-01 15:26:53,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:26:54,218 INFO L225 Difference]: With dead ends: 37734 [2022-03-01 15:26:54,218 INFO L226 Difference]: Without dead ends: 37472 [2022-03-01 15:26:54,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2022-03-01 15:26:54,219 INFO L933 BasicCegarLoop]: 442 mSDtfsCounter, 1063 mSDsluCounter, 1487 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 1910 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:26:54,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1063 Valid, 1910 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:26:54,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37472 states. [2022-03-01 15:26:54,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37472 to 11622. [2022-03-01 15:26:54,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11622 states, 11621 states have (on average 2.7487307460631616) internal successors, (31943), 11621 states have internal predecessors, (31943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:54,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11622 states to 11622 states and 31943 transitions. [2022-03-01 15:26:54,671 INFO L78 Accepts]: Start accepts. Automaton has 11622 states and 31943 transitions. Word has length 217 [2022-03-01 15:26:54,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:26:54,671 INFO L470 AbstractCegarLoop]: Abstraction has 11622 states and 31943 transitions. [2022-03-01 15:26:54,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:54,671 INFO L276 IsEmpty]: Start isEmpty. Operand 11622 states and 31943 transitions. [2022-03-01 15:26:54,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-03-01 15:26:54,685 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:26:54,686 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:26:54,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-01 15:26:54,686 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:26:54,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:26:54,687 INFO L85 PathProgramCache]: Analyzing trace with hash -800144104, now seen corresponding path program 7 times [2022-03-01 15:26:54,687 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:26:54,687 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625503970] [2022-03-01 15:26:54,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:26:54,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:26:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:26:54,817 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:26:54,817 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:26:54,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625503970] [2022-03-01 15:26:54,817 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625503970] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:26:54,818 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:26:54,818 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:26:54,818 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394111395] [2022-03-01 15:26:54,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:26:54,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:26:54,818 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:26:54,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:26:54,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:26:54,819 INFO L87 Difference]: Start difference. First operand 11622 states and 31943 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:55,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:26:55,223 INFO L93 Difference]: Finished difference Result 31084 states and 85462 transitions. [2022-03-01 15:26:55,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 15:26:55,223 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-03-01 15:26:55,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:26:55,300 INFO L225 Difference]: With dead ends: 31084 [2022-03-01 15:26:55,300 INFO L226 Difference]: Without dead ends: 31056 [2022-03-01 15:26:55,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-03-01 15:26:55,301 INFO L933 BasicCegarLoop]: 461 mSDtfsCounter, 1012 mSDsluCounter, 1032 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1012 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:26:55,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1012 Valid, 1480 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:26:55,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31056 states. [2022-03-01 15:26:55,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31056 to 11638. [2022-03-01 15:26:55,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11638 states, 11637 states have (on average 2.7494199535962878) internal successors, (31995), 11637 states have internal predecessors, (31995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:55,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11638 states to 11638 states and 31995 transitions. [2022-03-01 15:26:55,750 INFO L78 Accepts]: Start accepts. Automaton has 11638 states and 31995 transitions. Word has length 217 [2022-03-01 15:26:55,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:26:55,751 INFO L470 AbstractCegarLoop]: Abstraction has 11638 states and 31995 transitions. [2022-03-01 15:26:55,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:55,751 INFO L276 IsEmpty]: Start isEmpty. Operand 11638 states and 31995 transitions. [2022-03-01 15:26:55,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-03-01 15:26:55,767 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:26:55,767 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:26:55,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-01 15:26:55,767 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:26:55,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:26:55,768 INFO L85 PathProgramCache]: Analyzing trace with hash 917376408, now seen corresponding path program 8 times [2022-03-01 15:26:55,768 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:26:55,768 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048330891] [2022-03-01 15:26:55,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:26:55,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:26:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:26:55,903 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:26:55,903 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:26:55,903 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048330891] [2022-03-01 15:26:55,903 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048330891] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:26:55,903 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:26:55,903 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:26:55,903 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310462311] [2022-03-01 15:26:55,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:26:55,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:26:55,904 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:26:55,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:26:55,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:26:55,904 INFO L87 Difference]: Start difference. First operand 11638 states and 31995 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:56,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:26:56,161 INFO L93 Difference]: Finished difference Result 27078 states and 74369 transitions. [2022-03-01 15:26:56,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 15:26:56,162 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-03-01 15:26:56,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:26:56,214 INFO L225 Difference]: With dead ends: 27078 [2022-03-01 15:26:56,214 INFO L226 Difference]: Without dead ends: 26812 [2022-03-01 15:26:56,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:26:56,215 INFO L933 BasicCegarLoop]: 465 mSDtfsCounter, 839 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:26:56,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [839 Valid, 1326 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:26:56,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26812 states. [2022-03-01 15:26:56,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26812 to 11622. [2022-03-01 15:26:56,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11622 states, 11621 states have (on average 2.749074950520609) internal successors, (31947), 11621 states have internal predecessors, (31947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:56,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11622 states to 11622 states and 31947 transitions. [2022-03-01 15:26:56,592 INFO L78 Accepts]: Start accepts. Automaton has 11622 states and 31947 transitions. Word has length 217 [2022-03-01 15:26:56,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:26:56,592 INFO L470 AbstractCegarLoop]: Abstraction has 11622 states and 31947 transitions. [2022-03-01 15:26:56,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:56,593 INFO L276 IsEmpty]: Start isEmpty. Operand 11622 states and 31947 transitions. [2022-03-01 15:26:56,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-03-01 15:26:56,611 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:26:56,611 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:26:56,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-01 15:26:56,611 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:26:56,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:26:56,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1697941182, now seen corresponding path program 9 times [2022-03-01 15:26:56,612 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:26:56,612 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658969723] [2022-03-01 15:26:56,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:26:56,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:26:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:26:56,846 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:26:56,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:26:56,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658969723] [2022-03-01 15:26:56,847 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658969723] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:26:56,847 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:26:56,847 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:26:56,847 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475365440] [2022-03-01 15:26:56,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:26:56,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:26:56,847 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:26:56,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:26:56,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:26:56,848 INFO L87 Difference]: Start difference. First operand 11622 states and 31947 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:57,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:26:57,097 INFO L93 Difference]: Finished difference Result 28949 states and 79516 transitions. [2022-03-01 15:26:57,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-01 15:26:57,098 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-03-01 15:26:57,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:26:57,151 INFO L225 Difference]: With dead ends: 28949 [2022-03-01 15:26:57,151 INFO L226 Difference]: Without dead ends: 28869 [2022-03-01 15:26:57,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:26:57,152 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 481 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 1606 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:26:57,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [481 Valid, 1606 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:26:57,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28869 states. [2022-03-01 15:26:57,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28869 to 11614. [2022-03-01 15:26:57,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11614 states, 11613 states have (on average 2.7487298716955135) internal successors, (31921), 11613 states have internal predecessors, (31921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:57,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11614 states to 11614 states and 31921 transitions. [2022-03-01 15:26:57,542 INFO L78 Accepts]: Start accepts. Automaton has 11614 states and 31921 transitions. Word has length 217 [2022-03-01 15:26:57,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:26:57,542 INFO L470 AbstractCegarLoop]: Abstraction has 11614 states and 31921 transitions. [2022-03-01 15:26:57,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:57,542 INFO L276 IsEmpty]: Start isEmpty. Operand 11614 states and 31921 transitions. [2022-03-01 15:26:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-03-01 15:26:57,557 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:26:57,558 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:26:57,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-01 15:26:57,558 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:26:57,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:26:57,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1407598842, now seen corresponding path program 10 times [2022-03-01 15:26:57,559 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:26:57,559 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240345553] [2022-03-01 15:26:57,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:26:57,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:26:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:26:57,693 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:26:57,693 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:26:57,693 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240345553] [2022-03-01 15:26:57,694 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240345553] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:26:57,694 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:26:57,694 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:26:57,694 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706757439] [2022-03-01 15:26:57,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:26:57,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:26:57,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:26:57,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:26:57,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:26:57,695 INFO L87 Difference]: Start difference. First operand 11614 states and 31921 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:57,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:26:57,922 INFO L93 Difference]: Finished difference Result 19298 states and 52937 transitions. [2022-03-01 15:26:57,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 15:26:57,923 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-03-01 15:26:57,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:26:57,957 INFO L225 Difference]: With dead ends: 19298 [2022-03-01 15:26:57,958 INFO L226 Difference]: Without dead ends: 19298 [2022-03-01 15:26:57,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-01 15:26:57,958 INFO L933 BasicCegarLoop]: 575 mSDtfsCounter, 646 mSDsluCounter, 1120 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 1665 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:26:57,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [646 Valid, 1665 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:26:57,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19298 states. [2022-03-01 15:26:58,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19298 to 12182. [2022-03-01 15:26:58,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12182 states, 12181 states have (on average 2.7501026188326083) internal successors, (33499), 12181 states have internal predecessors, (33499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:58,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12182 states to 12182 states and 33499 transitions. [2022-03-01 15:26:58,252 INFO L78 Accepts]: Start accepts. Automaton has 12182 states and 33499 transitions. Word has length 217 [2022-03-01 15:26:58,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:26:58,252 INFO L470 AbstractCegarLoop]: Abstraction has 12182 states and 33499 transitions. [2022-03-01 15:26:58,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:58,252 INFO L276 IsEmpty]: Start isEmpty. Operand 12182 states and 33499 transitions. [2022-03-01 15:26:58,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:26:58,268 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:26:58,269 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:26:58,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-01 15:26:58,269 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:26:58,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:26:58,270 INFO L85 PathProgramCache]: Analyzing trace with hash 443179207, now seen corresponding path program 1 times [2022-03-01 15:26:58,270 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:26:58,270 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503940796] [2022-03-01 15:26:58,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:26:58,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:26:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:26:58,386 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-01 15:26:58,387 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:26:58,387 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503940796] [2022-03-01 15:26:58,387 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503940796] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:26:58,387 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:26:58,387 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:26:58,387 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480278590] [2022-03-01 15:26:58,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:26:58,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:26:58,388 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:26:58,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:26:58,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:26:58,388 INFO L87 Difference]: Start difference. First operand 12182 states and 33499 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:58,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:26:58,637 INFO L93 Difference]: Finished difference Result 28065 states and 77161 transitions. [2022-03-01 15:26:58,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 15:26:58,637 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:26:58,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:26:58,803 INFO L225 Difference]: With dead ends: 28065 [2022-03-01 15:26:58,803 INFO L226 Difference]: Without dead ends: 27960 [2022-03-01 15:26:58,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-01 15:26:58,804 INFO L933 BasicCegarLoop]: 439 mSDtfsCounter, 464 mSDsluCounter, 1389 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 1811 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:26:58,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [464 Valid, 1811 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:26:58,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27960 states. [2022-03-01 15:26:59,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27960 to 12226. [2022-03-01 15:26:59,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12226 states, 12225 states have (on average 2.7516564417177913) internal successors, (33639), 12225 states have internal predecessors, (33639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:59,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12226 states to 12226 states and 33639 transitions. [2022-03-01 15:26:59,092 INFO L78 Accepts]: Start accepts. Automaton has 12226 states and 33639 transitions. Word has length 250 [2022-03-01 15:26:59,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:26:59,092 INFO L470 AbstractCegarLoop]: Abstraction has 12226 states and 33639 transitions. [2022-03-01 15:26:59,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:59,093 INFO L276 IsEmpty]: Start isEmpty. Operand 12226 states and 33639 transitions. [2022-03-01 15:26:59,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:26:59,108 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:26:59,109 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:26:59,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-01 15:26:59,109 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:26:59,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:26:59,109 INFO L85 PathProgramCache]: Analyzing trace with hash -789159033, now seen corresponding path program 2 times [2022-03-01 15:26:59,109 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:26:59,109 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935388339] [2022-03-01 15:26:59,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:26:59,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:26:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:26:59,361 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:26:59,362 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:26:59,362 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935388339] [2022-03-01 15:26:59,362 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935388339] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:26:59,362 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:26:59,362 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:26:59,362 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56995740] [2022-03-01 15:26:59,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:26:59,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:26:59,363 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:26:59,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:26:59,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:26:59,363 INFO L87 Difference]: Start difference. First operand 12226 states and 33639 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:59,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:26:59,587 INFO L93 Difference]: Finished difference Result 22681 states and 62170 transitions. [2022-03-01 15:26:59,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 15:26:59,588 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:26:59,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:26:59,624 INFO L225 Difference]: With dead ends: 22681 [2022-03-01 15:26:59,624 INFO L226 Difference]: Without dead ends: 22681 [2022-03-01 15:26:59,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-01 15:26:59,625 INFO L933 BasicCegarLoop]: 363 mSDtfsCounter, 604 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:26:59,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [604 Valid, 1491 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:26:59,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22681 states. [2022-03-01 15:26:59,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22681 to 12418. [2022-03-01 15:26:59,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12418 states, 12417 states have (on average 2.7525972457115246) internal successors, (34179), 12417 states have internal predecessors, (34179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:59,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12418 states to 12418 states and 34179 transitions. [2022-03-01 15:26:59,866 INFO L78 Accepts]: Start accepts. Automaton has 12418 states and 34179 transitions. Word has length 250 [2022-03-01 15:26:59,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:26:59,867 INFO L470 AbstractCegarLoop]: Abstraction has 12418 states and 34179 transitions. [2022-03-01 15:26:59,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:26:59,867 INFO L276 IsEmpty]: Start isEmpty. Operand 12418 states and 34179 transitions. [2022-03-01 15:26:59,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:26:59,932 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:26:59,933 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:26:59,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-01 15:26:59,933 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:26:59,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:26:59,934 INFO L85 PathProgramCache]: Analyzing trace with hash -683732655, now seen corresponding path program 3 times [2022-03-01 15:26:59,934 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:26:59,934 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693716126] [2022-03-01 15:26:59,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:26:59,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:26:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:00,068 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-01 15:27:00,069 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:00,069 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693716126] [2022-03-01 15:27:00,069 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693716126] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:00,069 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:00,069 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:27:00,069 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717774269] [2022-03-01 15:27:00,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:00,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:27:00,070 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:00,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:27:00,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:27:00,071 INFO L87 Difference]: Start difference. First operand 12418 states and 34179 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:00,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:00,443 INFO L93 Difference]: Finished difference Result 28469 states and 78143 transitions. [2022-03-01 15:27:00,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-01 15:27:00,444 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:00,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:00,526 INFO L225 Difference]: With dead ends: 28469 [2022-03-01 15:27:00,527 INFO L226 Difference]: Without dead ends: 28434 [2022-03-01 15:27:00,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:27:00,527 INFO L933 BasicCegarLoop]: 411 mSDtfsCounter, 634 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 1485 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:00,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [634 Valid, 1485 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:00,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28434 states. [2022-03-01 15:27:00,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28434 to 12418. [2022-03-01 15:27:00,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12418 states, 12417 states have (on average 2.7519529677055647) internal successors, (34171), 12417 states have internal predecessors, (34171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:00,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12418 states to 12418 states and 34171 transitions. [2022-03-01 15:27:00,934 INFO L78 Accepts]: Start accepts. Automaton has 12418 states and 34171 transitions. Word has length 250 [2022-03-01 15:27:00,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:00,935 INFO L470 AbstractCegarLoop]: Abstraction has 12418 states and 34171 transitions. [2022-03-01 15:27:00,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:00,935 INFO L276 IsEmpty]: Start isEmpty. Operand 12418 states and 34171 transitions. [2022-03-01 15:27:00,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:27:00,961 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:00,962 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:00,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-01 15:27:00,962 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:00,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:00,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1442601977, now seen corresponding path program 4 times [2022-03-01 15:27:00,963 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:00,963 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903605148] [2022-03-01 15:27:00,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:00,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:01,095 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-01 15:27:01,095 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:01,095 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903605148] [2022-03-01 15:27:01,095 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903605148] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:01,095 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:01,095 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-01 15:27:01,095 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52117200] [2022-03-01 15:27:01,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:01,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 15:27:01,096 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:01,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 15:27:01,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-03-01 15:27:01,097 INFO L87 Difference]: Start difference. First operand 12418 states and 34171 transitions. Second operand has 8 states, 8 states have (on average 24.25) internal successors, (194), 8 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:01,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:01,321 INFO L93 Difference]: Finished difference Result 20695 states and 56797 transitions. [2022-03-01 15:27:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 15:27:01,322 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.25) internal successors, (194), 8 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:01,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:01,360 INFO L225 Difference]: With dead ends: 20695 [2022-03-01 15:27:01,361 INFO L226 Difference]: Without dead ends: 20498 [2022-03-01 15:27:01,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:27:01,361 INFO L933 BasicCegarLoop]: 415 mSDtfsCounter, 316 mSDsluCounter, 1710 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 2103 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:01,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [316 Valid, 2103 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:01,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20498 states. [2022-03-01 15:27:01,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20498 to 12600. [2022-03-01 15:27:01,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12600 states, 12599 states have (on average 2.76593380427018) internal successors, (34848), 12599 states have internal predecessors, (34848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12600 states to 12600 states and 34848 transitions. [2022-03-01 15:27:01,657 INFO L78 Accepts]: Start accepts. Automaton has 12600 states and 34848 transitions. Word has length 250 [2022-03-01 15:27:01,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:01,657 INFO L470 AbstractCegarLoop]: Abstraction has 12600 states and 34848 transitions. [2022-03-01 15:27:01,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.25) internal successors, (194), 8 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:01,657 INFO L276 IsEmpty]: Start isEmpty. Operand 12600 states and 34848 transitions. [2022-03-01 15:27:01,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:27:01,675 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:01,675 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:01,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-01 15:27:01,675 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:01,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:01,676 INFO L85 PathProgramCache]: Analyzing trace with hash 75588711, now seen corresponding path program 5 times [2022-03-01 15:27:01,676 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:01,676 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871767026] [2022-03-01 15:27:01,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:01,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:01,810 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-01 15:27:01,810 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:01,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871767026] [2022-03-01 15:27:01,810 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871767026] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:01,810 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:01,811 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:27:01,811 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750272876] [2022-03-01 15:27:01,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:01,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:27:01,811 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:01,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:27:01,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:27:01,812 INFO L87 Difference]: Start difference. First operand 12600 states and 34848 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:02,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:02,081 INFO L93 Difference]: Finished difference Result 35875 states and 98435 transitions. [2022-03-01 15:27:02,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-01 15:27:02,082 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:02,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:02,156 INFO L225 Difference]: With dead ends: 35875 [2022-03-01 15:27:02,156 INFO L226 Difference]: Without dead ends: 35782 [2022-03-01 15:27:02,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:27:02,157 INFO L933 BasicCegarLoop]: 418 mSDtfsCounter, 456 mSDsluCounter, 1337 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 1739 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:02,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [456 Valid, 1739 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:02,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35782 states. [2022-03-01 15:27:02,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35782 to 12624. [2022-03-01 15:27:02,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12624 states, 12623 states have (on average 2.7659035094668463) internal successors, (34914), 12623 states have internal predecessors, (34914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:02,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12624 states to 12624 states and 34914 transitions. [2022-03-01 15:27:02,540 INFO L78 Accepts]: Start accepts. Automaton has 12624 states and 34914 transitions. Word has length 250 [2022-03-01 15:27:02,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:02,540 INFO L470 AbstractCegarLoop]: Abstraction has 12624 states and 34914 transitions. [2022-03-01 15:27:02,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:02,540 INFO L276 IsEmpty]: Start isEmpty. Operand 12624 states and 34914 transitions. [2022-03-01 15:27:02,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:27:02,560 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:02,560 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:02,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-01 15:27:02,560 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:02,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:02,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1156749529, now seen corresponding path program 6 times [2022-03-01 15:27:02,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:02,561 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089246050] [2022-03-01 15:27:02,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:02,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:27:02,713 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:02,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089246050] [2022-03-01 15:27:02,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089246050] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:02,713 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:02,713 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:27:02,713 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531167916] [2022-03-01 15:27:02,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:02,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:27:02,714 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:02,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:27:02,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:27:02,714 INFO L87 Difference]: Start difference. First operand 12624 states and 34914 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:03,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:03,058 INFO L93 Difference]: Finished difference Result 42900 states and 117436 transitions. [2022-03-01 15:27:03,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-01 15:27:03,058 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:03,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:03,139 INFO L225 Difference]: With dead ends: 42900 [2022-03-01 15:27:03,140 INFO L226 Difference]: Without dead ends: 42716 [2022-03-01 15:27:03,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:27:03,140 INFO L933 BasicCegarLoop]: 450 mSDtfsCounter, 790 mSDsluCounter, 1085 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:03,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [790 Valid, 1520 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:03,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42716 states. [2022-03-01 15:27:03,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42716 to 12632. [2022-03-01 15:27:03,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12632 states, 12631 states have (on average 2.765893436782519) internal successors, (34936), 12631 states have internal predecessors, (34936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:03,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12632 states to 12632 states and 34936 transitions. [2022-03-01 15:27:03,537 INFO L78 Accepts]: Start accepts. Automaton has 12632 states and 34936 transitions. Word has length 250 [2022-03-01 15:27:03,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:03,538 INFO L470 AbstractCegarLoop]: Abstraction has 12632 states and 34936 transitions. [2022-03-01 15:27:03,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:03,538 INFO L276 IsEmpty]: Start isEmpty. Operand 12632 states and 34936 transitions. [2022-03-01 15:27:03,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:27:03,557 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:03,557 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:03,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-01 15:27:03,558 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:03,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:03,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1051323151, now seen corresponding path program 7 times [2022-03-01 15:27:03,558 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:03,558 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483155550] [2022-03-01 15:27:03,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:03,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-01 15:27:03,673 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:03,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483155550] [2022-03-01 15:27:03,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483155550] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:03,674 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:03,674 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:27:03,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335282424] [2022-03-01 15:27:03,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:03,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:27:03,676 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:03,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:27:03,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:27:03,676 INFO L87 Difference]: Start difference. First operand 12632 states and 34936 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:04,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:04,028 INFO L93 Difference]: Finished difference Result 36925 states and 101331 transitions. [2022-03-01 15:27:04,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 15:27:04,028 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:04,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:04,116 INFO L225 Difference]: With dead ends: 36925 [2022-03-01 15:27:04,116 INFO L226 Difference]: Without dead ends: 36894 [2022-03-01 15:27:04,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-03-01 15:27:04,117 INFO L933 BasicCegarLoop]: 407 mSDtfsCounter, 596 mSDsluCounter, 1462 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 1850 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:04,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [596 Valid, 1850 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:04,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36894 states. [2022-03-01 15:27:04,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36894 to 12616. [2022-03-01 15:27:04,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12616 states, 12615 states have (on average 2.7659135949266744) internal successors, (34892), 12615 states have internal predecessors, (34892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:04,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12616 states to 12616 states and 34892 transitions. [2022-03-01 15:27:04,547 INFO L78 Accepts]: Start accepts. Automaton has 12616 states and 34892 transitions. Word has length 250 [2022-03-01 15:27:04,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:04,547 INFO L470 AbstractCegarLoop]: Abstraction has 12616 states and 34892 transitions. [2022-03-01 15:27:04,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:04,548 INFO L276 IsEmpty]: Start isEmpty. Operand 12616 states and 34892 transitions. [2022-03-01 15:27:04,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:27:04,567 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:04,567 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:04,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-01 15:27:04,567 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:04,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:04,567 INFO L85 PathProgramCache]: Analyzing trace with hash -850633543, now seen corresponding path program 8 times [2022-03-01 15:27:04,568 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:04,568 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184685645] [2022-03-01 15:27:04,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:04,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:04,696 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:27:04,696 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:04,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184685645] [2022-03-01 15:27:04,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184685645] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:04,697 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:04,697 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:27:04,697 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591214161] [2022-03-01 15:27:04,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:04,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:27:04,697 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:04,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:27:04,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:27:04,698 INFO L87 Difference]: Start difference. First operand 12616 states and 34892 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:04,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:04,966 INFO L93 Difference]: Finished difference Result 29576 states and 80795 transitions. [2022-03-01 15:27:04,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-01 15:27:04,967 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:04,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:05,040 INFO L225 Difference]: With dead ends: 29576 [2022-03-01 15:27:05,040 INFO L226 Difference]: Without dead ends: 29392 [2022-03-01 15:27:05,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:27:05,041 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 739 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:05,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [739 Valid, 1503 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:05,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29392 states. [2022-03-01 15:27:05,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29392 to 12632. [2022-03-01 15:27:05,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12632 states, 12631 states have (on average 2.765893436782519) internal successors, (34936), 12631 states have internal predecessors, (34936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:05,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12632 states to 12632 states and 34936 transitions. [2022-03-01 15:27:05,366 INFO L78 Accepts]: Start accepts. Automaton has 12632 states and 34936 transitions. Word has length 250 [2022-03-01 15:27:05,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:05,367 INFO L470 AbstractCegarLoop]: Abstraction has 12632 states and 34936 transitions. [2022-03-01 15:27:05,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:05,367 INFO L276 IsEmpty]: Start isEmpty. Operand 12632 states and 34936 transitions. [2022-03-01 15:27:05,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:27:05,385 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:05,385 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:05,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-01 15:27:05,385 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:05,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:05,386 INFO L85 PathProgramCache]: Analyzing trace with hash 389047183, now seen corresponding path program 9 times [2022-03-01 15:27:05,386 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:05,386 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468638033] [2022-03-01 15:27:05,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:05,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:05,488 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-01 15:27:05,489 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:05,489 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468638033] [2022-03-01 15:27:05,489 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468638033] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:05,489 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:05,489 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:27:05,489 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020121351] [2022-03-01 15:27:05,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:05,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:27:05,489 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:05,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:27:05,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:27:05,490 INFO L87 Difference]: Start difference. First operand 12632 states and 34936 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:05,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:05,821 INFO L93 Difference]: Finished difference Result 36879 states and 101203 transitions. [2022-03-01 15:27:05,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 15:27:05,822 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:05,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:05,905 INFO L225 Difference]: With dead ends: 36879 [2022-03-01 15:27:05,905 INFO L226 Difference]: Without dead ends: 36848 [2022-03-01 15:27:05,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-03-01 15:27:05,906 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 797 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 1705 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:05,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [797 Valid, 1705 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:05,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36848 states. [2022-03-01 15:27:06,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36848 to 12624. [2022-03-01 15:27:06,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12624 states, 12623 states have (on average 2.7659035094668463) internal successors, (34914), 12623 states have internal predecessors, (34914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:06,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12624 states to 12624 states and 34914 transitions. [2022-03-01 15:27:06,344 INFO L78 Accepts]: Start accepts. Automaton has 12624 states and 34914 transitions. Word has length 250 [2022-03-01 15:27:06,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:06,345 INFO L470 AbstractCegarLoop]: Abstraction has 12624 states and 34914 transitions. [2022-03-01 15:27:06,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:06,345 INFO L276 IsEmpty]: Start isEmpty. Operand 12624 states and 34914 transitions. [2022-03-01 15:27:06,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:27:06,364 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:06,364 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:06,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-01 15:27:06,364 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:06,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:06,365 INFO L85 PathProgramCache]: Analyzing trace with hash -81936489, now seen corresponding path program 10 times [2022-03-01 15:27:06,365 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:06,365 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300743852] [2022-03-01 15:27:06,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:06,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:06,474 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-01 15:27:06,474 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:06,474 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300743852] [2022-03-01 15:27:06,474 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300743852] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:06,474 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:06,474 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:27:06,474 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213698553] [2022-03-01 15:27:06,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:06,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:27:06,475 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:06,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:27:06,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:27:06,476 INFO L87 Difference]: Start difference. First operand 12624 states and 34914 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:06,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:06,706 INFO L93 Difference]: Finished difference Result 29087 states and 79459 transitions. [2022-03-01 15:27:06,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-01 15:27:06,706 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:06,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:06,755 INFO L225 Difference]: With dead ends: 29087 [2022-03-01 15:27:06,755 INFO L226 Difference]: Without dead ends: 28994 [2022-03-01 15:27:06,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:27:06,756 INFO L933 BasicCegarLoop]: 454 mSDtfsCounter, 470 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 2016 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:06,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [470 Valid, 2016 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:06,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28994 states. [2022-03-01 15:27:07,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28994 to 12616. [2022-03-01 15:27:07,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12616 states, 12615 states have (on average 2.7652794292508918) internal successors, (34884), 12615 states have internal predecessors, (34884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:07,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12616 states to 12616 states and 34884 transitions. [2022-03-01 15:27:07,166 INFO L78 Accepts]: Start accepts. Automaton has 12616 states and 34884 transitions. Word has length 250 [2022-03-01 15:27:07,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:07,167 INFO L470 AbstractCegarLoop]: Abstraction has 12616 states and 34884 transitions. [2022-03-01 15:27:07,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:07,167 INFO L276 IsEmpty]: Start isEmpty. Operand 12616 states and 34884 transitions. [2022-03-01 15:27:07,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:27:07,186 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:07,187 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:07,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-01 15:27:07,187 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:07,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:07,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1314274729, now seen corresponding path program 11 times [2022-03-01 15:27:07,188 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:07,188 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269815842] [2022-03-01 15:27:07,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:07,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:07,317 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:27:07,317 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:07,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269815842] [2022-03-01 15:27:07,317 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269815842] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:07,317 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:07,317 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:27:07,317 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653869148] [2022-03-01 15:27:07,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:07,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:27:07,318 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:07,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:27:07,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:27:07,319 INFO L87 Difference]: Start difference. First operand 12616 states and 34884 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:07,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:07,676 INFO L93 Difference]: Finished difference Result 37622 states and 102510 transitions. [2022-03-01 15:27:07,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 15:27:07,677 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:07,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:07,752 INFO L225 Difference]: With dead ends: 37622 [2022-03-01 15:27:07,752 INFO L226 Difference]: Without dead ends: 37398 [2022-03-01 15:27:07,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:27:07,753 INFO L933 BasicCegarLoop]: 497 mSDtfsCounter, 978 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:07,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [978 Valid, 1558 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:07,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37398 states. [2022-03-01 15:27:08,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37398 to 12624. [2022-03-01 15:27:08,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12624 states, 12623 states have (on average 2.7652697457022897) internal successors, (34906), 12623 states have internal predecessors, (34906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:08,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12624 states to 12624 states and 34906 transitions. [2022-03-01 15:27:08,113 INFO L78 Accepts]: Start accepts. Automaton has 12624 states and 34906 transitions. Word has length 250 [2022-03-01 15:27:08,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:08,113 INFO L470 AbstractCegarLoop]: Abstraction has 12624 states and 34906 transitions. [2022-03-01 15:27:08,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 12624 states and 34906 transitions. [2022-03-01 15:27:08,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:27:08,133 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:08,133 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:08,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-01 15:27:08,133 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:08,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:08,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1208848351, now seen corresponding path program 12 times [2022-03-01 15:27:08,134 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:08,134 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279429536] [2022-03-01 15:27:08,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:08,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:08,278 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-01 15:27:08,278 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:08,278 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279429536] [2022-03-01 15:27:08,278 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279429536] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:08,278 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:08,279 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:27:08,279 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840248144] [2022-03-01 15:27:08,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:08,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:27:08,279 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:08,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:27:08,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:27:08,280 INFO L87 Difference]: Start difference. First operand 12624 states and 34906 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:08,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:08,612 INFO L93 Difference]: Finished difference Result 30137 states and 82355 transitions. [2022-03-01 15:27:08,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 15:27:08,613 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:08,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:08,672 INFO L225 Difference]: With dead ends: 30137 [2022-03-01 15:27:08,672 INFO L226 Difference]: Without dead ends: 30106 [2022-03-01 15:27:08,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-03-01 15:27:08,673 INFO L933 BasicCegarLoop]: 441 mSDtfsCounter, 679 mSDsluCounter, 1813 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 2229 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:08,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [679 Valid, 2229 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:08,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30106 states. [2022-03-01 15:27:08,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30106 to 12608. [2022-03-01 15:27:08,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12608 states, 12607 states have (on average 2.765289125089236) internal successors, (34862), 12607 states have internal predecessors, (34862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:08,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12608 states to 12608 states and 34862 transitions. [2022-03-01 15:27:08,986 INFO L78 Accepts]: Start accepts. Automaton has 12608 states and 34862 transitions. Word has length 250 [2022-03-01 15:27:08,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:08,986 INFO L470 AbstractCegarLoop]: Abstraction has 12608 states and 34862 transitions. [2022-03-01 15:27:08,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:08,986 INFO L276 IsEmpty]: Start isEmpty. Operand 12608 states and 34862 transitions. [2022-03-01 15:27:09,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:27:09,010 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:09,010 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:09,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-01 15:27:09,011 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:09,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:09,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1008158743, now seen corresponding path program 13 times [2022-03-01 15:27:09,011 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:09,011 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877566034] [2022-03-01 15:27:09,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:09,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:09,115 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:27:09,115 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:09,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877566034] [2022-03-01 15:27:09,116 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877566034] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:09,116 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:09,116 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:27:09,116 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103627033] [2022-03-01 15:27:09,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:09,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:27:09,116 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:09,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:27:09,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:27:09,117 INFO L87 Difference]: Start difference. First operand 12608 states and 34862 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:09,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:09,349 INFO L93 Difference]: Finished difference Result 26537 states and 72510 transitions. [2022-03-01 15:27:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 15:27:09,350 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:09,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:09,412 INFO L225 Difference]: With dead ends: 26537 [2022-03-01 15:27:09,412 INFO L226 Difference]: Without dead ends: 26313 [2022-03-01 15:27:09,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:27:09,413 INFO L933 BasicCegarLoop]: 474 mSDtfsCounter, 659 mSDsluCounter, 941 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:09,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [659 Valid, 1400 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:09,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26313 states. [2022-03-01 15:27:09,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26313 to 12624. [2022-03-01 15:27:09,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12624 states, 12623 states have (on average 2.7652697457022897) internal successors, (34906), 12623 states have internal predecessors, (34906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:09,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12624 states to 12624 states and 34906 transitions. [2022-03-01 15:27:09,742 INFO L78 Accepts]: Start accepts. Automaton has 12624 states and 34906 transitions. Word has length 250 [2022-03-01 15:27:09,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:09,743 INFO L470 AbstractCegarLoop]: Abstraction has 12624 states and 34906 transitions. [2022-03-01 15:27:09,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:09,743 INFO L276 IsEmpty]: Start isEmpty. Operand 12624 states and 34906 transitions. [2022-03-01 15:27:09,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:27:09,760 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:09,761 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:09,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-01 15:27:09,761 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:09,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:09,761 INFO L85 PathProgramCache]: Analyzing trace with hash 231521983, now seen corresponding path program 14 times [2022-03-01 15:27:09,761 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:09,761 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378584042] [2022-03-01 15:27:09,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:09,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:09,871 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-01 15:27:09,872 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:09,872 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378584042] [2022-03-01 15:27:09,872 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378584042] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:09,872 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:09,872 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:27:09,872 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419674396] [2022-03-01 15:27:09,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:09,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:27:09,873 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:09,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:27:09,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:27:09,873 INFO L87 Difference]: Start difference. First operand 12624 states and 34906 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:10,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:10,221 INFO L93 Difference]: Finished difference Result 28995 states and 79177 transitions. [2022-03-01 15:27:10,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 15:27:10,221 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:10,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:10,275 INFO L225 Difference]: With dead ends: 28995 [2022-03-01 15:27:10,276 INFO L226 Difference]: Without dead ends: 28964 [2022-03-01 15:27:10,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-03-01 15:27:10,276 INFO L933 BasicCegarLoop]: 433 mSDtfsCounter, 847 mSDsluCounter, 1510 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 1921 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:10,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [847 Valid, 1921 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:10,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28964 states. [2022-03-01 15:27:10,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28964 to 12592. [2022-03-01 15:27:10,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12592 states, 12591 states have (on average 2.765308553728854) internal successors, (34818), 12591 states have internal predecessors, (34818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:10,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12592 states to 12592 states and 34818 transitions. [2022-03-01 15:27:10,584 INFO L78 Accepts]: Start accepts. Automaton has 12592 states and 34818 transitions. Word has length 250 [2022-03-01 15:27:10,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:10,584 INFO L470 AbstractCegarLoop]: Abstraction has 12592 states and 34818 transitions. [2022-03-01 15:27:10,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:10,584 INFO L276 IsEmpty]: Start isEmpty. Operand 12592 states and 34818 transitions. [2022-03-01 15:27:10,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:27:10,602 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:10,602 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:10,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-01 15:27:10,602 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:10,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:10,603 INFO L85 PathProgramCache]: Analyzing trace with hash -2003647307, now seen corresponding path program 15 times [2022-03-01 15:27:10,603 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:10,603 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880983355] [2022-03-01 15:27:10,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:10,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:10,725 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:27:10,725 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:10,725 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880983355] [2022-03-01 15:27:10,725 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880983355] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:10,726 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:10,726 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:27:10,726 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468532458] [2022-03-01 15:27:10,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:10,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:27:10,726 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:10,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:27:10,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:27:10,727 INFO L87 Difference]: Start difference. First operand 12592 states and 34818 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:11,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:11,074 INFO L93 Difference]: Finished difference Result 25323 states and 69019 transitions. [2022-03-01 15:27:11,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-01 15:27:11,074 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:11,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:11,134 INFO L225 Difference]: With dead ends: 25323 [2022-03-01 15:27:11,134 INFO L226 Difference]: Without dead ends: 25095 [2022-03-01 15:27:11,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-03-01 15:27:11,135 INFO L933 BasicCegarLoop]: 531 mSDtfsCounter, 790 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 2048 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:11,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [790 Valid, 2048 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:11,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25095 states. [2022-03-01 15:27:11,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25095 to 11856. [2022-03-01 15:27:11,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11856 states, 11855 states have (on average 2.7490510333192746) internal successors, (32590), 11855 states have internal predecessors, (32590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:11,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11856 states to 11856 states and 32590 transitions. [2022-03-01 15:27:11,423 INFO L78 Accepts]: Start accepts. Automaton has 11856 states and 32590 transitions. Word has length 250 [2022-03-01 15:27:11,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:11,423 INFO L470 AbstractCegarLoop]: Abstraction has 11856 states and 32590 transitions. [2022-03-01 15:27:11,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:11,423 INFO L276 IsEmpty]: Start isEmpty. Operand 11856 states and 32590 transitions. [2022-03-01 15:27:11,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:27:11,439 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:11,439 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:11,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-01 15:27:11,439 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:11,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:11,440 INFO L85 PathProgramCache]: Analyzing trace with hash 860905151, now seen corresponding path program 16 times [2022-03-01 15:27:11,440 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:11,440 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456881555] [2022-03-01 15:27:11,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:11,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:11,546 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-01 15:27:11,547 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:11,547 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456881555] [2022-03-01 15:27:11,547 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456881555] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:11,547 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:11,547 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:27:11,547 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931807952] [2022-03-01 15:27:11,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:11,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:27:11,548 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:11,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:27:11,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:27:11,548 INFO L87 Difference]: Start difference. First operand 11856 states and 32590 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:11,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:11,870 INFO L93 Difference]: Finished difference Result 27915 states and 76096 transitions. [2022-03-01 15:27:11,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 15:27:11,871 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:11,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:11,943 INFO L225 Difference]: With dead ends: 27915 [2022-03-01 15:27:11,943 INFO L226 Difference]: Without dead ends: 27884 [2022-03-01 15:27:11,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-03-01 15:27:11,944 INFO L933 BasicCegarLoop]: 482 mSDtfsCounter, 730 mSDsluCounter, 1247 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 1705 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:11,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [730 Valid, 1705 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:11,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27884 states. [2022-03-01 15:27:12,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27884 to 11840. [2022-03-01 15:27:12,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11840 states, 11839 states have (on average 2.7490497508235494) internal successors, (32546), 11839 states have internal predecessors, (32546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:12,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11840 states to 11840 states and 32546 transitions. [2022-03-01 15:27:12,257 INFO L78 Accepts]: Start accepts. Automaton has 11840 states and 32546 transitions. Word has length 250 [2022-03-01 15:27:12,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:12,257 INFO L470 AbstractCegarLoop]: Abstraction has 11840 states and 32546 transitions. [2022-03-01 15:27:12,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:12,257 INFO L276 IsEmpty]: Start isEmpty. Operand 11840 states and 32546 transitions. [2022-03-01 15:27:12,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:27:12,274 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:12,274 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:12,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-01 15:27:12,274 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:12,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:12,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1358345733, now seen corresponding path program 1 times [2022-03-01 15:27:12,275 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:12,275 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054704581] [2022-03-01 15:27:12,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:12,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:12,378 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-01 15:27:12,378 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:12,378 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054704581] [2022-03-01 15:27:12,378 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054704581] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:12,378 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:12,378 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:27:12,379 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512598961] [2022-03-01 15:27:12,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:12,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:27:12,379 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:12,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:27:12,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:27:12,380 INFO L87 Difference]: Start difference. First operand 11840 states and 32546 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:12,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:12,727 INFO L93 Difference]: Finished difference Result 42287 states and 115591 transitions. [2022-03-01 15:27:12,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 15:27:12,727 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:12,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:12,809 INFO L225 Difference]: With dead ends: 42287 [2022-03-01 15:27:12,809 INFO L226 Difference]: Without dead ends: 42100 [2022-03-01 15:27:12,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2022-03-01 15:27:12,809 INFO L933 BasicCegarLoop]: 431 mSDtfsCounter, 1145 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 1443 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:12,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1145 Valid, 1443 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:12,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42100 states. [2022-03-01 15:27:13,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42100 to 11848. [2022-03-01 15:27:13,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 11847 states have (on average 2.7490503925044316) internal successors, (32568), 11847 states have internal predecessors, (32568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:13,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 32568 transitions. [2022-03-01 15:27:13,226 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 32568 transitions. Word has length 250 [2022-03-01 15:27:13,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:13,226 INFO L470 AbstractCegarLoop]: Abstraction has 11848 states and 32568 transitions. [2022-03-01 15:27:13,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:13,226 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 32568 transitions. [2022-03-01 15:27:13,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:27:13,242 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:13,243 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:13,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-01 15:27:13,243 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:13,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:13,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1051855065, now seen corresponding path program 2 times [2022-03-01 15:27:13,243 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:13,244 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840153639] [2022-03-01 15:27:13,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:13,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:13,366 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-01 15:27:13,366 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:13,366 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840153639] [2022-03-01 15:27:13,366 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840153639] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:13,366 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:13,366 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:27:13,366 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708623692] [2022-03-01 15:27:13,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:13,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:27:13,367 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:13,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:27:13,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:27:13,368 INFO L87 Difference]: Start difference. First operand 11848 states and 32568 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:13,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:13,727 INFO L93 Difference]: Finished difference Result 35819 states and 98030 transitions. [2022-03-01 15:27:13,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-01 15:27:13,728 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:13,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:13,790 INFO L225 Difference]: With dead ends: 35819 [2022-03-01 15:27:13,791 INFO L226 Difference]: Without dead ends: 35767 [2022-03-01 15:27:13,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2022-03-01 15:27:13,791 INFO L933 BasicCegarLoop]: 433 mSDtfsCounter, 882 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 2043 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:13,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [882 Valid, 2043 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:13,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35767 states. [2022-03-01 15:27:14,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35767 to 11840. [2022-03-01 15:27:14,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11840 states, 11839 states have (on average 2.7487118844497003) internal successors, (32542), 11839 states have internal predecessors, (32542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:14,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11840 states to 11840 states and 32542 transitions. [2022-03-01 15:27:14,125 INFO L78 Accepts]: Start accepts. Automaton has 11840 states and 32542 transitions. Word has length 250 [2022-03-01 15:27:14,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:14,126 INFO L470 AbstractCegarLoop]: Abstraction has 11840 states and 32542 transitions. [2022-03-01 15:27:14,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:14,126 INFO L276 IsEmpty]: Start isEmpty. Operand 11840 states and 32542 transitions. [2022-03-01 15:27:14,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:27:14,142 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:14,142 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:14,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-01 15:27:14,142 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:14,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:14,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1641660071, now seen corresponding path program 3 times [2022-03-01 15:27:14,143 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:14,143 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796164808] [2022-03-01 15:27:14,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:14,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:14,239 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-01 15:27:14,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:14,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796164808] [2022-03-01 15:27:14,240 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796164808] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:14,240 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:14,240 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:27:14,240 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686454062] [2022-03-01 15:27:14,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:14,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:27:14,241 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:14,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:27:14,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:27:14,241 INFO L87 Difference]: Start difference. First operand 11840 states and 32542 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:14,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:14,424 INFO L93 Difference]: Finished difference Result 25963 states and 70830 transitions. [2022-03-01 15:27:14,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-01 15:27:14,424 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:14,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:14,470 INFO L225 Difference]: With dead ends: 25963 [2022-03-01 15:27:14,470 INFO L226 Difference]: Without dead ends: 25772 [2022-03-01 15:27:14,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:27:14,471 INFO L933 BasicCegarLoop]: 437 mSDtfsCounter, 447 mSDsluCounter, 1406 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:14,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [447 Valid, 1823 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:14,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25772 states. [2022-03-01 15:27:14,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25772 to 11076. [2022-03-01 15:27:14,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11076 states, 11075 states have (on average 2.730744920993228) internal successors, (30243), 11075 states have internal predecessors, (30243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:14,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11076 states to 11076 states and 30243 transitions. [2022-03-01 15:27:14,816 INFO L78 Accepts]: Start accepts. Automaton has 11076 states and 30243 transitions. Word has length 250 [2022-03-01 15:27:14,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:14,817 INFO L470 AbstractCegarLoop]: Abstraction has 11076 states and 30243 transitions. [2022-03-01 15:27:14,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:14,817 INFO L276 IsEmpty]: Start isEmpty. Operand 11076 states and 30243 transitions. [2022-03-01 15:27:14,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:27:14,830 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:14,830 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:14,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-01 15:27:14,831 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:14,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:14,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1300397503, now seen corresponding path program 4 times [2022-03-01 15:27:14,831 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:14,831 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037990320] [2022-03-01 15:27:14,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:14,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:14,921 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-01 15:27:14,922 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:14,922 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037990320] [2022-03-01 15:27:14,922 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037990320] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:14,922 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:14,922 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 15:27:14,922 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577756529] [2022-03-01 15:27:14,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:14,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 15:27:14,923 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:14,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 15:27:14,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-03-01 15:27:14,923 INFO L87 Difference]: Start difference. First operand 11076 states and 30243 transitions. Second operand has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:15,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:15,141 INFO L93 Difference]: Finished difference Result 32883 states and 89826 transitions. [2022-03-01 15:27:15,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-01 15:27:15,142 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:15,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:15,282 INFO L225 Difference]: With dead ends: 32883 [2022-03-01 15:27:15,283 INFO L226 Difference]: Without dead ends: 32795 [2022-03-01 15:27:15,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:27:15,284 INFO L933 BasicCegarLoop]: 417 mSDtfsCounter, 416 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 1611 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:15,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [416 Valid, 1611 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:15,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32795 states. [2022-03-01 15:27:15,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32795 to 11044. [2022-03-01 15:27:15,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11044 states, 11043 states have (on average 2.7299646835099156) internal successors, (30147), 11043 states have internal predecessors, (30147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:15,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11044 states to 11044 states and 30147 transitions. [2022-03-01 15:27:15,560 INFO L78 Accepts]: Start accepts. Automaton has 11044 states and 30147 transitions. Word has length 250 [2022-03-01 15:27:15,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:15,560 INFO L470 AbstractCegarLoop]: Abstraction has 11044 states and 30147 transitions. [2022-03-01 15:27:15,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.714285714285715) internal successors, (194), 7 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:15,561 INFO L276 IsEmpty]: Start isEmpty. Operand 11044 states and 30147 transitions. [2022-03-01 15:27:15,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-03-01 15:27:15,574 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:15,574 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:15,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-01 15:27:15,574 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:15,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:15,575 INFO L85 PathProgramCache]: Analyzing trace with hash -100180351, now seen corresponding path program 5 times [2022-03-01 15:27:15,575 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:15,575 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340357467] [2022-03-01 15:27:15,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:15,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:15,766 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-01 15:27:15,766 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:15,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340357467] [2022-03-01 15:27:15,766 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340357467] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 15:27:15,766 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 15:27:15,766 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-01 15:27:15,767 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387317566] [2022-03-01 15:27:15,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 15:27:15,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 15:27:15,767 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:15,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 15:27:15,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-03-01 15:27:15,768 INFO L87 Difference]: Start difference. First operand 11044 states and 30147 transitions. Second operand has 8 states, 8 states have (on average 24.25) internal successors, (194), 8 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:15,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:27:15,948 INFO L93 Difference]: Finished difference Result 17167 states and 46992 transitions. [2022-03-01 15:27:15,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-01 15:27:15,948 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.25) internal successors, (194), 8 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2022-03-01 15:27:15,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:27:15,985 INFO L225 Difference]: With dead ends: 17167 [2022-03-01 15:27:15,985 INFO L226 Difference]: Without dead ends: 17039 [2022-03-01 15:27:15,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:27:15,987 INFO L933 BasicCegarLoop]: 353 mSDtfsCounter, 229 mSDsluCounter, 1259 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 1592 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:27:15,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [229 Valid, 1592 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:27:16,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17039 states. [2022-03-01 15:27:16,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17039 to 11036. [2022-03-01 15:27:16,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11036 states, 11035 states have (on average 2.729587675577707) internal successors, (30121), 11035 states have internal predecessors, (30121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:16,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11036 states to 11036 states and 30121 transitions. [2022-03-01 15:27:16,186 INFO L78 Accepts]: Start accepts. Automaton has 11036 states and 30121 transitions. Word has length 250 [2022-03-01 15:27:16,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:27:16,186 INFO L470 AbstractCegarLoop]: Abstraction has 11036 states and 30121 transitions. [2022-03-01 15:27:16,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.25) internal successors, (194), 8 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:27:16,187 INFO L276 IsEmpty]: Start isEmpty. Operand 11036 states and 30121 transitions. [2022-03-01 15:27:16,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:27:16,200 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:27:16,201 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:27:16,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-01 15:27:16,201 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:27:16,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:27:16,201 INFO L85 PathProgramCache]: Analyzing trace with hash -387978320, now seen corresponding path program 1 times [2022-03-01 15:27:16,201 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:27:16,201 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718699399] [2022-03-01 15:27:16,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:16,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:27:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:17,605 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:27:17,605 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:27:17,605 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718699399] [2022-03-01 15:27:17,605 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718699399] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:27:17,606 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488018903] [2022-03-01 15:27:17,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:27:17,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:27:17,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:27:17,607 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:27:17,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-01 15:27:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:27:17,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-01 15:27:17,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:27:18,875 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:27:18,876 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-01 15:27:19,671 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:27:19,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:27:23,609 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:27:23,609 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:27:23,865 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:27:23,865 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488018903] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:27:23,865 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:27:23,865 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 35, 30] total 94 [2022-03-01 15:27:23,865 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938354798] [2022-03-01 15:27:23,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:27:23,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2022-03-01 15:27:23,866 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:27:23,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2022-03-01 15:27:23,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=394, Invalid=8346, Unknown=2, NotChecked=0, Total=8742 [2022-03-01 15:27:23,870 INFO L87 Difference]: Start difference. First operand 11036 states and 30121 transitions. Second operand has 94 states, 94 states have (on average 5.98936170212766) internal successors, (563), 94 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:28:04,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:28:04,742 INFO L93 Difference]: Finished difference Result 66746 states and 182458 transitions. [2022-03-01 15:28:04,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 295 states. [2022-03-01 15:28:04,743 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 94 states have (on average 5.98936170212766) internal successors, (563), 94 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:28:04,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:28:04,873 INFO L225 Difference]: With dead ends: 66746 [2022-03-01 15:28:04,873 INFO L226 Difference]: Without dead ends: 66265 [2022-03-01 15:28:04,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1169 GetRequests, 782 SyntacticMatches, 4 SemanticMatches, 383 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49665 ImplicationChecksByTransitivity, 34.7s TimeCoverageRelationStatistics Valid=18509, Invalid=129329, Unknown=2, NotChecked=0, Total=147840 [2022-03-01 15:28:04,888 INFO L933 BasicCegarLoop]: 1806 mSDtfsCounter, 17645 mSDsluCounter, 79155 mSDsCounter, 0 mSdLazyCounter, 16138 mSolverCounterSat, 403 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17645 SdHoareTripleChecker+Valid, 80154 SdHoareTripleChecker+Invalid, 20966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 403 IncrementalHoareTripleChecker+Valid, 16138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4425 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-03-01 15:28:04,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17645 Valid, 80154 Invalid, 20966 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [403 Valid, 16138 Invalid, 0 Unknown, 4425 Unchecked, 7.6s Time] [2022-03-01 15:28:04,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66265 states. [2022-03-01 15:28:05,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66265 to 15944. [2022-03-01 15:28:05,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15944 states, 15943 states have (on average 2.7526814275857743) internal successors, (43886), 15943 states have internal predecessors, (43886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:28:05,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15944 states to 15944 states and 43886 transitions. [2022-03-01 15:28:05,575 INFO L78 Accepts]: Start accepts. Automaton has 15944 states and 43886 transitions. Word has length 283 [2022-03-01 15:28:05,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:28:05,575 INFO L470 AbstractCegarLoop]: Abstraction has 15944 states and 43886 transitions. [2022-03-01 15:28:05,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 5.98936170212766) internal successors, (563), 94 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:28:05,575 INFO L276 IsEmpty]: Start isEmpty. Operand 15944 states and 43886 transitions. [2022-03-01 15:28:05,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:28:05,598 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:28:05,598 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:28:05,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-01 15:28:05,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2022-03-01 15:28:05,799 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:28:05,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:28:05,800 INFO L85 PathProgramCache]: Analyzing trace with hash 2084699166, now seen corresponding path program 2 times [2022-03-01 15:28:05,800 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:28:05,800 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889411810] [2022-03-01 15:28:05,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:28:05,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:28:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:28:07,170 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:28:07,170 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:28:07,170 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889411810] [2022-03-01 15:28:07,170 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889411810] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:28:07,170 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224974614] [2022-03-01 15:28:07,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 15:28:07,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:28:07,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:28:07,172 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:28:07,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-01 15:28:07,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 15:28:07,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:28:07,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-01 15:28:07,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:28:08,186 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:28:08,186 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-01 15:28:08,886 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:28:08,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:28:14,595 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:28:14,595 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:28:14,836 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:28:14,836 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224974614] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:28:14,836 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:28:14,837 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 35, 30] total 95 [2022-03-01 15:28:14,837 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130868206] [2022-03-01 15:28:14,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:28:14,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-03-01 15:28:14,838 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:28:14,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-03-01 15:28:14,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=403, Invalid=8522, Unknown=5, NotChecked=0, Total=8930 [2022-03-01 15:28:14,840 INFO L87 Difference]: Start difference. First operand 15944 states and 43886 transitions. Second operand has 95 states, 95 states have (on average 5.926315789473684) internal successors, (563), 95 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:29:05,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:29:05,026 INFO L93 Difference]: Finished difference Result 96790 states and 264308 transitions. [2022-03-01 15:29:05,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2022-03-01 15:29:05,026 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 95 states have (on average 5.926315789473684) internal successors, (563), 95 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:29:05,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:29:05,229 INFO L225 Difference]: With dead ends: 96790 [2022-03-01 15:29:05,230 INFO L226 Difference]: Without dead ends: 96454 [2022-03-01 15:29:05,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1343 GetRequests, 868 SyntacticMatches, 5 SemanticMatches, 470 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83004 ImplicationChecksByTransitivity, 44.1s TimeCoverageRelationStatistics Valid=24059, Invalid=198248, Unknown=5, NotChecked=0, Total=222312 [2022-03-01 15:29:05,242 INFO L933 BasicCegarLoop]: 1646 mSDtfsCounter, 21508 mSDsluCounter, 72957 mSDsCounter, 0 mSdLazyCounter, 18407 mSolverCounterSat, 424 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21508 SdHoareTripleChecker+Valid, 73711 SdHoareTripleChecker+Invalid, 20458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 424 IncrementalHoareTripleChecker+Valid, 18407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1627 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-03-01 15:29:05,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21508 Valid, 73711 Invalid, 20458 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [424 Valid, 18407 Invalid, 0 Unknown, 1627 Unchecked, 8.6s Time] [2022-03-01 15:29:05,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96454 states. [2022-03-01 15:29:05,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96454 to 19310. [2022-03-01 15:29:06,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19310 states, 19309 states have (on average 2.764824693148273) internal successors, (53386), 19309 states have internal predecessors, (53386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:29:06,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19310 states to 19310 states and 53386 transitions. [2022-03-01 15:29:06,053 INFO L78 Accepts]: Start accepts. Automaton has 19310 states and 53386 transitions. Word has length 283 [2022-03-01 15:29:06,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:29:06,054 INFO L470 AbstractCegarLoop]: Abstraction has 19310 states and 53386 transitions. [2022-03-01 15:29:06,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.926315789473684) internal successors, (563), 95 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:29:06,054 INFO L276 IsEmpty]: Start isEmpty. Operand 19310 states and 53386 transitions. [2022-03-01 15:29:06,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:29:06,081 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:29:06,081 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:29:06,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-01 15:29:06,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:29:06,282 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:29:06,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:29:06,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1217634306, now seen corresponding path program 1 times [2022-03-01 15:29:06,283 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:29:06,283 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463326099] [2022-03-01 15:29:06,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:29:06,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:29:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:29:06,347 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-01 15:29:06,347 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:29:06,347 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463326099] [2022-03-01 15:29:06,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463326099] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:29:06,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011811304] [2022-03-01 15:29:06,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:29:06,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:29:06,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:29:06,349 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:29:06,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-01 15:29:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:29:06,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 5 conjunts are in the unsatisfiable core [2022-03-01 15:29:06,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:29:06,834 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-01 15:29:06,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:29:07,149 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-03-01 15:29:07,150 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011811304] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:29:07,151 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:29:07,151 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-03-01 15:29:07,151 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627060482] [2022-03-01 15:29:07,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:29:07,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-01 15:29:07,152 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:29:07,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-01 15:29:07,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-03-01 15:29:07,152 INFO L87 Difference]: Start difference. First operand 19310 states and 53386 transitions. Second operand has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:29:07,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:29:07,682 INFO L93 Difference]: Finished difference Result 36827 states and 101320 transitions. [2022-03-01 15:29:07,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 15:29:07,682 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:29:07,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:29:07,752 INFO L225 Difference]: With dead ends: 36827 [2022-03-01 15:29:07,752 INFO L226 Difference]: Without dead ends: 36800 [2022-03-01 15:29:07,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 565 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2022-03-01 15:29:07,753 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 1142 mSDsluCounter, 2155 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 2510 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:29:07,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1142 Valid, 2510 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 15:29:07,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36800 states. [2022-03-01 15:29:08,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36800 to 30316. [2022-03-01 15:29:08,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30316 states, 30315 states have (on average 2.7656605640771894) internal successors, (83841), 30315 states have internal predecessors, (83841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:29:08,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30316 states to 30316 states and 83841 transitions. [2022-03-01 15:29:08,637 INFO L78 Accepts]: Start accepts. Automaton has 30316 states and 83841 transitions. Word has length 283 [2022-03-01 15:29:08,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:29:08,637 INFO L470 AbstractCegarLoop]: Abstraction has 30316 states and 83841 transitions. [2022-03-01 15:29:08,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 27.0) internal successors, (297), 11 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:29:08,638 INFO L276 IsEmpty]: Start isEmpty. Operand 30316 states and 83841 transitions. [2022-03-01 15:29:08,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:29:08,680 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:29:08,680 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:29:08,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-01 15:29:08,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:29:08,881 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:29:08,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:29:08,881 INFO L85 PathProgramCache]: Analyzing trace with hash -812989858, now seen corresponding path program 3 times [2022-03-01 15:29:08,881 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:29:08,881 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837579747] [2022-03-01 15:29:08,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:29:08,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:29:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:29:10,171 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:29:10,171 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:29:10,171 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837579747] [2022-03-01 15:29:10,171 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837579747] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:29:10,172 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778450581] [2022-03-01 15:29:10,172 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 15:29:10,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:29:10,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:29:10,173 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:29:10,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-01 15:29:10,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-01 15:29:10,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:29:10,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-01 15:29:10,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:29:11,404 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:29:11,404 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-01 15:29:12,075 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:29:12,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:29:17,652 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:29:17,653 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:29:17,843 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:29:17,843 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778450581] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:29:17,843 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:29:17,843 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 40, 30] total 92 [2022-03-01 15:29:17,843 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960367236] [2022-03-01 15:29:17,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:29:17,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2022-03-01 15:29:17,844 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:29:17,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2022-03-01 15:29:17,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=387, Invalid=7980, Unknown=5, NotChecked=0, Total=8372 [2022-03-01 15:29:17,845 INFO L87 Difference]: Start difference. First operand 30316 states and 83841 transitions. Second operand has 92 states, 92 states have (on average 5.5978260869565215) internal successors, (515), 92 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:31:24,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:31:24,214 INFO L93 Difference]: Finished difference Result 213812 states and 585447 transitions. [2022-03-01 15:31:24,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 903 states. [2022-03-01 15:31:24,215 INFO L78 Accepts]: Start accepts. Automaton has has 92 states, 92 states have (on average 5.5978260869565215) internal successors, (515), 92 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:31:24,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:31:24,792 INFO L225 Difference]: With dead ends: 213812 [2022-03-01 15:31:24,793 INFO L226 Difference]: Without dead ends: 211596 [2022-03-01 15:31:24,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2364 GetRequests, 1324 SyntacticMatches, 51 SemanticMatches, 989 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433336 ImplicationChecksByTransitivity, 108.6s TimeCoverageRelationStatistics Valid=76054, Invalid=905031, Unknown=5, NotChecked=0, Total=981090 [2022-03-01 15:31:24,836 INFO L933 BasicCegarLoop]: 2700 mSDtfsCounter, 17247 mSDsluCounter, 128860 mSDsCounter, 0 mSdLazyCounter, 32835 mSolverCounterSat, 494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17247 SdHoareTripleChecker+Valid, 129744 SdHoareTripleChecker+Invalid, 55763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 32835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 22434 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-03-01 15:31:24,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17247 Valid, 129744 Invalid, 55763 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [494 Valid, 32835 Invalid, 0 Unknown, 22434 Unchecked, 14.6s Time] [2022-03-01 15:31:25,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211596 states. [2022-03-01 15:31:26,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211596 to 31079. [2022-03-01 15:31:26,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31079 states, 31078 states have (on average 2.7700946006821545) internal successors, (86089), 31078 states have internal predecessors, (86089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:31:26,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31079 states to 31079 states and 86089 transitions. [2022-03-01 15:31:26,863 INFO L78 Accepts]: Start accepts. Automaton has 31079 states and 86089 transitions. Word has length 283 [2022-03-01 15:31:26,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:31:26,863 INFO L470 AbstractCegarLoop]: Abstraction has 31079 states and 86089 transitions. [2022-03-01 15:31:26,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 5.5978260869565215) internal successors, (515), 92 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:31:26,864 INFO L276 IsEmpty]: Start isEmpty. Operand 31079 states and 86089 transitions. [2022-03-01 15:31:26,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:31:26,905 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:31:26,906 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:31:26,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-03-01 15:31:27,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-03-01 15:31:27,107 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:31:27,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:31:27,107 INFO L85 PathProgramCache]: Analyzing trace with hash -2013959458, now seen corresponding path program 4 times [2022-03-01 15:31:27,108 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:31:27,108 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028997255] [2022-03-01 15:31:27,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:31:27,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:31:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:31:28,531 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:31:28,531 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:31:28,532 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028997255] [2022-03-01 15:31:28,532 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028997255] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:31:28,532 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725767864] [2022-03-01 15:31:28,532 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 15:31:28,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:31:28,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:31:28,533 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:31:28,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-01 15:31:28,684 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 15:31:28,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:31:28,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 79 conjunts are in the unsatisfiable core [2022-03-01 15:31:28,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:31:29,531 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:31:29,532 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-01 15:31:30,270 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:31:30,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:31:38,019 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:31:38,020 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:31:38,224 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:31:38,224 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725767864] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:31:38,224 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:31:38,224 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 31, 31] total 96 [2022-03-01 15:31:38,224 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925430896] [2022-03-01 15:31:38,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:31:38,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-03-01 15:31:38,225 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:31:38,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-03-01 15:31:38,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=8730, Unknown=7, NotChecked=0, Total=9120 [2022-03-01 15:31:38,226 INFO L87 Difference]: Start difference. First operand 31079 states and 86089 transitions. Second operand has 96 states, 96 states have (on average 5.375) internal successors, (516), 96 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:31:48,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:31:48,345 INFO L93 Difference]: Finished difference Result 87348 states and 240788 transitions. [2022-03-01 15:31:48,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-01 15:31:48,346 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 96 states have (on average 5.375) internal successors, (516), 96 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:31:48,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:31:48,514 INFO L225 Difference]: With dead ends: 87348 [2022-03-01 15:31:48,514 INFO L226 Difference]: Without dead ends: 87203 [2022-03-01 15:31:48,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 550 SyntacticMatches, 6 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 5324 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=1941, Invalid=19222, Unknown=7, NotChecked=0, Total=21170 [2022-03-01 15:31:48,516 INFO L933 BasicCegarLoop]: 993 mSDtfsCounter, 6078 mSDsluCounter, 44975 mSDsCounter, 0 mSdLazyCounter, 9006 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6078 SdHoareTripleChecker+Valid, 45107 SdHoareTripleChecker+Invalid, 9647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 9006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 569 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-03-01 15:31:48,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6078 Valid, 45107 Invalid, 9647 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [72 Valid, 9006 Invalid, 0 Unknown, 569 Unchecked, 3.9s Time] [2022-03-01 15:31:48,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87203 states. [2022-03-01 15:31:49,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87203 to 32387. [2022-03-01 15:31:49,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32387 states, 32386 states have (on average 2.7715062063854754) internal successors, (89758), 32386 states have internal predecessors, (89758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:31:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32387 states to 32387 states and 89758 transitions. [2022-03-01 15:31:49,567 INFO L78 Accepts]: Start accepts. Automaton has 32387 states and 89758 transitions. Word has length 283 [2022-03-01 15:31:49,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:31:49,567 INFO L470 AbstractCegarLoop]: Abstraction has 32387 states and 89758 transitions. [2022-03-01 15:31:49,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 5.375) internal successors, (516), 96 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:31:49,568 INFO L276 IsEmpty]: Start isEmpty. Operand 32387 states and 89758 transitions. [2022-03-01 15:31:49,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:31:49,611 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:31:49,611 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:31:49,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-01 15:31:49,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-03-01 15:31:49,811 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:31:49,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:31:49,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1897137352, now seen corresponding path program 5 times [2022-03-01 15:31:49,812 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:31:49,812 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274378895] [2022-03-01 15:31:49,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:31:49,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:31:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:31:51,670 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:31:51,671 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:31:51,671 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274378895] [2022-03-01 15:31:51,671 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274378895] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:31:51,671 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852507544] [2022-03-01 15:31:51,671 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-01 15:31:51,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:31:51,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:31:51,672 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:31:51,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-01 15:31:51,880 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-03-01 15:31:51,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:31:51,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-01 15:31:51,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:31:52,985 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:31:52,985 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-01 15:31:53,746 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:31:53,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:31:58,334 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:31:58,334 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:31:58,529 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:31:58,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852507544] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:31:58,530 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:31:58,530 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 41, 31] total 97 [2022-03-01 15:31:58,530 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550417934] [2022-03-01 15:31:58,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:31:58,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-03-01 15:31:58,530 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:31:58,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-03-01 15:31:58,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=8926, Unknown=3, NotChecked=0, Total=9312 [2022-03-01 15:31:58,532 INFO L87 Difference]: Start difference. First operand 32387 states and 89758 transitions. Second operand has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:32:11,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:32:11,634 INFO L93 Difference]: Finished difference Result 82351 states and 226666 transitions. [2022-03-01 15:32:11,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-01 15:32:11,635 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:32:11,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:32:11,797 INFO L225 Difference]: With dead ends: 82351 [2022-03-01 15:32:11,797 INFO L226 Difference]: Without dead ends: 81048 [2022-03-01 15:32:11,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 730 GetRequests, 560 SyntacticMatches, 13 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6439 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=2877, Invalid=22242, Unknown=3, NotChecked=0, Total=25122 [2022-03-01 15:32:11,799 INFO L933 BasicCegarLoop]: 936 mSDtfsCounter, 7696 mSDsluCounter, 43753 mSDsCounter, 0 mSdLazyCounter, 9819 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7696 SdHoareTripleChecker+Valid, 43963 SdHoareTripleChecker+Invalid, 11074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 9819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1121 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-03-01 15:32:11,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7696 Valid, 43963 Invalid, 11074 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [134 Valid, 9819 Invalid, 0 Unknown, 1121 Unchecked, 4.2s Time] [2022-03-01 15:32:11,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81048 states. [2022-03-01 15:32:12,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81048 to 32515. [2022-03-01 15:32:12,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32515 states, 32514 states have (on average 2.77080642184905) internal successors, (90090), 32514 states have internal predecessors, (90090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:32:12,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32515 states to 32515 states and 90090 transitions. [2022-03-01 15:32:12,861 INFO L78 Accepts]: Start accepts. Automaton has 32515 states and 90090 transitions. Word has length 283 [2022-03-01 15:32:12,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:32:12,861 INFO L470 AbstractCegarLoop]: Abstraction has 32515 states and 90090 transitions. [2022-03-01 15:32:12,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:32:12,861 INFO L276 IsEmpty]: Start isEmpty. Operand 32515 states and 90090 transitions. [2022-03-01 15:32:12,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:32:12,920 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:32:12,920 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:32:12,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-01 15:32:13,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-03-01 15:32:13,146 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:32:13,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:32:13,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1114213930, now seen corresponding path program 6 times [2022-03-01 15:32:13,146 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:32:13,146 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460927302] [2022-03-01 15:32:13,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:32:13,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:32:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:32:14,613 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:32:14,613 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:32:14,613 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460927302] [2022-03-01 15:32:14,614 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460927302] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:32:14,614 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676013870] [2022-03-01 15:32:14,614 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-01 15:32:14,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:32:14,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:32:14,615 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:32:14,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-01 15:32:14,802 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-03-01 15:32:14,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:32:14,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-01 15:32:14,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:32:15,828 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:32:15,829 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 25 [2022-03-01 15:32:16,743 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:32:16,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:32:19,380 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:32:19,380 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 126 treesize of output 72 [2022-03-01 15:32:19,580 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:32:19,581 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676013870] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:32:19,581 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:32:19,581 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 41, 31] total 93 [2022-03-01 15:32:19,581 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491434733] [2022-03-01 15:32:19,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:32:19,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2022-03-01 15:32:19,582 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:32:19,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2022-03-01 15:32:19,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=8175, Unknown=0, NotChecked=0, Total=8556 [2022-03-01 15:32:19,584 INFO L87 Difference]: Start difference. First operand 32515 states and 90090 transitions. Second operand has 93 states, 93 states have (on average 5.408602150537634) internal successors, (503), 93 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:32:29,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:32:29,682 INFO L93 Difference]: Finished difference Result 82311 states and 226628 transitions. [2022-03-01 15:32:29,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-01 15:32:29,683 INFO L78 Accepts]: Start accepts. Automaton has has 93 states, 93 states have (on average 5.408602150537634) internal successors, (503), 93 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:32:29,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:32:29,989 INFO L225 Difference]: With dead ends: 82311 [2022-03-01 15:32:29,989 INFO L226 Difference]: Without dead ends: 82166 [2022-03-01 15:32:29,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 733 GetRequests, 571 SyntacticMatches, 3 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6614 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=2543, Invalid=23217, Unknown=0, NotChecked=0, Total=25760 [2022-03-01 15:32:29,991 INFO L933 BasicCegarLoop]: 939 mSDtfsCounter, 9206 mSDsluCounter, 36710 mSDsCounter, 0 mSdLazyCounter, 8407 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9206 SdHoareTripleChecker+Valid, 36920 SdHoareTripleChecker+Invalid, 8785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 8407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 277 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-03-01 15:32:29,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9206 Valid, 36920 Invalid, 8785 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [101 Valid, 8407 Invalid, 0 Unknown, 277 Unchecked, 3.8s Time] [2022-03-01 15:32:30,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82166 states. [2022-03-01 15:32:30,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82166 to 32515. [2022-03-01 15:32:30,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32515 states, 32514 states have (on average 2.77080642184905) internal successors, (90090), 32514 states have internal predecessors, (90090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:32:30,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32515 states to 32515 states and 90090 transitions. [2022-03-01 15:32:30,988 INFO L78 Accepts]: Start accepts. Automaton has 32515 states and 90090 transitions. Word has length 283 [2022-03-01 15:32:30,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:32:30,988 INFO L470 AbstractCegarLoop]: Abstraction has 32515 states and 90090 transitions. [2022-03-01 15:32:30,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 5.408602150537634) internal successors, (503), 93 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:32:30,989 INFO L276 IsEmpty]: Start isEmpty. Operand 32515 states and 90090 transitions. [2022-03-01 15:32:31,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:32:31,031 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:32:31,031 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:32:31,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-01 15:32:31,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2022-03-01 15:32:31,232 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:32:31,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:32:31,233 INFO L85 PathProgramCache]: Analyzing trace with hash -339128410, now seen corresponding path program 7 times [2022-03-01 15:32:31,233 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:32:31,233 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003737787] [2022-03-01 15:32:31,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:32:31,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:32:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:32:32,536 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:32:32,536 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:32:32,536 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003737787] [2022-03-01 15:32:32,536 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003737787] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:32:32,536 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850763435] [2022-03-01 15:32:32,536 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-01 15:32:32,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:32:32,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:32:32,538 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:32:32,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-01 15:32:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:32:32,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-01 15:32:32,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:32:33,630 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:32:33,630 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-01 15:32:34,410 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:32:34,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:32:37,686 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:32:37,686 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:32:37,955 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:32:37,955 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850763435] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:32:37,955 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:32:37,955 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 36, 31] total 99 [2022-03-01 15:32:37,956 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637301060] [2022-03-01 15:32:37,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:32:37,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2022-03-01 15:32:37,956 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:32:37,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2022-03-01 15:32:37,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=414, Invalid=9287, Unknown=1, NotChecked=0, Total=9702 [2022-03-01 15:32:37,958 INFO L87 Difference]: Start difference. First operand 32515 states and 90090 transitions. Second operand has 99 states, 99 states have (on average 5.686868686868687) internal successors, (563), 99 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:32:48,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:32:48,704 INFO L93 Difference]: Finished difference Result 83363 states and 229429 transitions. [2022-03-01 15:32:48,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-01 15:32:48,705 INFO L78 Accepts]: Start accepts. Automaton has has 99 states, 99 states have (on average 5.686868686868687) internal successors, (563), 99 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:32:48,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:32:48,864 INFO L225 Difference]: With dead ends: 83363 [2022-03-01 15:32:48,864 INFO L226 Difference]: Without dead ends: 83218 [2022-03-01 15:32:48,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 723 GetRequests, 562 SyntacticMatches, 1 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6422 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=2371, Invalid=23710, Unknown=1, NotChecked=0, Total=26082 [2022-03-01 15:32:48,865 INFO L933 BasicCegarLoop]: 1037 mSDtfsCounter, 8413 mSDsluCounter, 45747 mSDsCounter, 0 mSdLazyCounter, 9890 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8413 SdHoareTripleChecker+Valid, 46094 SdHoareTripleChecker+Invalid, 10302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 9890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 325 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-03-01 15:32:48,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8413 Valid, 46094 Invalid, 10302 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [87 Valid, 9890 Invalid, 0 Unknown, 325 Unchecked, 4.2s Time] [2022-03-01 15:32:48,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83218 states. [2022-03-01 15:32:49,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83218 to 32534. [2022-03-01 15:32:49,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32534 states, 32533 states have (on average 2.7702640395905695) internal successors, (90125), 32533 states have internal predecessors, (90125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:32:49,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32534 states to 32534 states and 90125 transitions. [2022-03-01 15:32:49,981 INFO L78 Accepts]: Start accepts. Automaton has 32534 states and 90125 transitions. Word has length 283 [2022-03-01 15:32:49,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:32:49,981 INFO L470 AbstractCegarLoop]: Abstraction has 32534 states and 90125 transitions. [2022-03-01 15:32:49,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 5.686868686868687) internal successors, (563), 99 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:32:49,982 INFO L276 IsEmpty]: Start isEmpty. Operand 32534 states and 90125 transitions. [2022-03-01 15:32:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:32:50,026 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:32:50,026 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:32:50,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-03-01 15:32:50,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:32:50,227 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:32:50,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:32:50,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1770750512, now seen corresponding path program 8 times [2022-03-01 15:32:50,228 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:32:50,228 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412435167] [2022-03-01 15:32:50,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:32:50,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:32:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:32:51,464 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:32:51,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:32:51,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412435167] [2022-03-01 15:32:51,464 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412435167] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:32:51,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168241844] [2022-03-01 15:32:51,465 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 15:32:51,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:32:51,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:32:51,472 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:32:51,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-03-01 15:32:51,639 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 15:32:51,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:32:51,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-01 15:32:51,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:32:52,588 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:32:52,589 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-01 15:32:53,395 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:32:53,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:32:58,108 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:32:58,109 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:32:58,314 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:32:58,314 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168241844] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:32:58,314 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:32:58,315 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 36, 31] total 99 [2022-03-01 15:32:58,315 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544561775] [2022-03-01 15:32:58,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:32:58,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2022-03-01 15:32:58,315 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:32:58,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2022-03-01 15:32:58,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=416, Invalid=9283, Unknown=3, NotChecked=0, Total=9702 [2022-03-01 15:32:58,317 INFO L87 Difference]: Start difference. First operand 32534 states and 90125 transitions. Second operand has 99 states, 99 states have (on average 5.686868686868687) internal successors, (563), 99 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:33:08,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:33:08,934 INFO L93 Difference]: Finished difference Result 86664 states and 238969 transitions. [2022-03-01 15:33:08,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-01 15:33:08,934 INFO L78 Accepts]: Start accepts. Automaton has has 99 states, 99 states have (on average 5.686868686868687) internal successors, (563), 99 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:33:08,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:33:09,105 INFO L225 Difference]: With dead ends: 86664 [2022-03-01 15:33:09,105 INFO L226 Difference]: Without dead ends: 86519 [2022-03-01 15:33:09,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 715 GetRequests, 555 SyntacticMatches, 6 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6018 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=2538, Invalid=21639, Unknown=3, NotChecked=0, Total=24180 [2022-03-01 15:33:09,106 INFO L933 BasicCegarLoop]: 942 mSDtfsCounter, 8742 mSDsluCounter, 40727 mSDsCounter, 0 mSdLazyCounter, 8178 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8742 SdHoareTripleChecker+Valid, 41088 SdHoareTripleChecker+Invalid, 9287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 8178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1041 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-03-01 15:33:09,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8742 Valid, 41088 Invalid, 9287 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [68 Valid, 8178 Invalid, 0 Unknown, 1041 Unchecked, 3.5s Time] [2022-03-01 15:33:09,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86519 states. [2022-03-01 15:33:09,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86519 to 32753. [2022-03-01 15:33:10,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32753 states, 32752 states have (on average 2.7692354665363945) internal successors, (90698), 32752 states have internal predecessors, (90698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:33:10,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32753 states to 32753 states and 90698 transitions. [2022-03-01 15:33:10,104 INFO L78 Accepts]: Start accepts. Automaton has 32753 states and 90698 transitions. Word has length 283 [2022-03-01 15:33:10,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:33:10,104 INFO L470 AbstractCegarLoop]: Abstraction has 32753 states and 90698 transitions. [2022-03-01 15:33:10,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 5.686868686868687) internal successors, (563), 99 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:33:10,105 INFO L276 IsEmpty]: Start isEmpty. Operand 32753 states and 90698 transitions. [2022-03-01 15:33:10,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:33:10,146 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:33:10,147 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:33:10,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-03-01 15:33:10,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2022-03-01 15:33:10,359 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:33:10,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:33:10,360 INFO L85 PathProgramCache]: Analyzing trace with hash -430432054, now seen corresponding path program 9 times [2022-03-01 15:33:10,360 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:33:10,360 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558793818] [2022-03-01 15:33:10,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:33:10,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:33:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:33:12,107 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:33:12,107 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:33:12,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558793818] [2022-03-01 15:33:12,107 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558793818] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:33:12,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501967300] [2022-03-01 15:33:12,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 15:33:12,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:33:12,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:33:12,109 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:33:12,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-03-01 15:33:12,345 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-01 15:33:12,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:33:12,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-01 15:33:12,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:33:13,361 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:33:13,361 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-01 15:33:14,113 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:33:14,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:33:16,570 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:33:16,571 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:33:16,832 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:33:16,832 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501967300] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:33:16,832 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:33:16,832 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 41, 31] total 97 [2022-03-01 15:33:16,832 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637550748] [2022-03-01 15:33:16,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:33:16,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-03-01 15:33:16,833 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:33:16,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-03-01 15:33:16,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=384, Invalid=8928, Unknown=0, NotChecked=0, Total=9312 [2022-03-01 15:33:16,834 INFO L87 Difference]: Start difference. First operand 32753 states and 90698 transitions. Second operand has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:33:27,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:33:27,803 INFO L93 Difference]: Finished difference Result 82454 states and 227335 transitions. [2022-03-01 15:33:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-01 15:33:27,803 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:33:27,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:33:27,957 INFO L225 Difference]: With dead ends: 82454 [2022-03-01 15:33:27,958 INFO L226 Difference]: Without dead ends: 82100 [2022-03-01 15:33:27,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 716 GetRequests, 559 SyntacticMatches, 4 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5909 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=2085, Invalid=21785, Unknown=0, NotChecked=0, Total=23870 [2022-03-01 15:33:27,959 INFO L933 BasicCegarLoop]: 970 mSDtfsCounter, 7145 mSDsluCounter, 50183 mSDsCounter, 0 mSdLazyCounter, 11498 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7145 SdHoareTripleChecker+Valid, 50389 SdHoareTripleChecker+Invalid, 11936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 11498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 344 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-03-01 15:33:27,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7145 Valid, 50389 Invalid, 11936 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [94 Valid, 11498 Invalid, 0 Unknown, 344 Unchecked, 4.9s Time] [2022-03-01 15:33:28,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82100 states. [2022-03-01 15:33:28,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82100 to 32758. [2022-03-01 15:33:28,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32758 states, 32757 states have (on average 2.7687517171902187) internal successors, (90696), 32757 states have internal predecessors, (90696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:33:29,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32758 states to 32758 states and 90696 transitions. [2022-03-01 15:33:29,034 INFO L78 Accepts]: Start accepts. Automaton has 32758 states and 90696 transitions. Word has length 283 [2022-03-01 15:33:29,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:33:29,035 INFO L470 AbstractCegarLoop]: Abstraction has 32758 states and 90696 transitions. [2022-03-01 15:33:29,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:33:29,035 INFO L276 IsEmpty]: Start isEmpty. Operand 32758 states and 90696 transitions. [2022-03-01 15:33:29,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:33:29,074 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:33:29,075 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:33:29,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-03-01 15:33:29,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:33:29,276 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:33:29,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:33:29,276 INFO L85 PathProgramCache]: Analyzing trace with hash -28023554, now seen corresponding path program 10 times [2022-03-01 15:33:29,276 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:33:29,276 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624290004] [2022-03-01 15:33:29,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:33:29,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:33:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:33:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:33:30,903 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:33:30,903 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624290004] [2022-03-01 15:33:30,903 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624290004] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:33:30,903 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152355199] [2022-03-01 15:33:30,903 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 15:33:30,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:33:30,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:33:30,904 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:33:30,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-03-01 15:33:31,061 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 15:33:31,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:33:31,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 79 conjunts are in the unsatisfiable core [2022-03-01 15:33:31,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:33:31,783 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:33:31,783 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-01 15:33:32,616 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:33:32,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:33:39,929 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:33:39,929 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:33:40,120 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:33:40,120 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152355199] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:33:40,120 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:33:40,121 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 31, 31] total 98 [2022-03-01 15:33:40,121 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642568772] [2022-03-01 15:33:40,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:33:40,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2022-03-01 15:33:40,122 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:33:40,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2022-03-01 15:33:40,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=9106, Unknown=5, NotChecked=0, Total=9506 [2022-03-01 15:33:40,123 INFO L87 Difference]: Start difference. First operand 32758 states and 90696 transitions. Second operand has 98 states, 98 states have (on average 5.26530612244898) internal successors, (516), 98 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:33:50,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:33:50,195 INFO L93 Difference]: Finished difference Result 82236 states and 226784 transitions. [2022-03-01 15:33:50,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-01 15:33:50,196 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 98 states have (on average 5.26530612244898) internal successors, (516), 98 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:33:50,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:33:50,360 INFO L225 Difference]: With dead ends: 82236 [2022-03-01 15:33:50,360 INFO L226 Difference]: Without dead ends: 81923 [2022-03-01 15:33:50,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 729 GetRequests, 566 SyntacticMatches, 3 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6396 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=2420, Invalid=23657, Unknown=5, NotChecked=0, Total=26082 [2022-03-01 15:33:50,362 INFO L933 BasicCegarLoop]: 987 mSDtfsCounter, 6821 mSDsluCounter, 42339 mSDsCounter, 0 mSdLazyCounter, 8735 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6821 SdHoareTripleChecker+Valid, 42675 SdHoareTripleChecker+Invalid, 9312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 8735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 480 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-03-01 15:33:50,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6821 Valid, 42675 Invalid, 9312 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [97 Valid, 8735 Invalid, 0 Unknown, 480 Unchecked, 3.9s Time] [2022-03-01 15:33:50,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81923 states. [2022-03-01 15:33:51,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81923 to 32742. [2022-03-01 15:33:51,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32742 states, 32741 states have (on average 2.768974680064751) internal successors, (90659), 32741 states have internal predecessors, (90659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:33:51,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32742 states to 32742 states and 90659 transitions. [2022-03-01 15:33:51,308 INFO L78 Accepts]: Start accepts. Automaton has 32742 states and 90659 transitions. Word has length 283 [2022-03-01 15:33:51,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:33:51,309 INFO L470 AbstractCegarLoop]: Abstraction has 32742 states and 90659 transitions. [2022-03-01 15:33:51,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 5.26530612244898) internal successors, (516), 98 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:33:51,309 INFO L276 IsEmpty]: Start isEmpty. Operand 32742 states and 90659 transitions. [2022-03-01 15:33:51,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:33:51,351 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:33:51,351 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:33:51,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-03-01 15:33:51,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:33:51,552 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:33:51,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:33:51,552 INFO L85 PathProgramCache]: Analyzing trace with hash -399210428, now seen corresponding path program 11 times [2022-03-01 15:33:51,552 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:33:51,552 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861810263] [2022-03-01 15:33:51,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:33:51,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:33:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:33:53,424 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:33:53,424 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:33:53,424 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861810263] [2022-03-01 15:33:53,424 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861810263] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:33:53,424 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946238624] [2022-03-01 15:33:53,424 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-01 15:33:53,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:33:53,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:33:53,425 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:33:53,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-03-01 15:33:53,609 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-03-01 15:33:53,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:33:53,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-01 15:33:53,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:33:54,654 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:33:54,654 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-01 15:33:55,459 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:33:55,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:33:58,777 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:33:58,777 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:33:58,983 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:33:58,983 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946238624] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:33:58,983 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:33:58,983 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 41, 31] total 97 [2022-03-01 15:33:58,983 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573173927] [2022-03-01 15:33:58,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:33:58,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-03-01 15:33:58,984 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:33:58,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-03-01 15:33:58,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=8926, Unknown=1, NotChecked=0, Total=9312 [2022-03-01 15:33:58,985 INFO L87 Difference]: Start difference. First operand 32742 states and 90659 transitions. Second operand has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:34:09,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:34:09,608 INFO L93 Difference]: Finished difference Result 86604 states and 238726 transitions. [2022-03-01 15:34:09,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-01 15:34:09,608 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:34:09,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:34:09,772 INFO L225 Difference]: With dead ends: 86604 [2022-03-01 15:34:09,772 INFO L226 Difference]: Without dead ends: 85870 [2022-03-01 15:34:09,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 708 GetRequests, 558 SyntacticMatches, 1 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5126 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=2015, Invalid=20634, Unknown=1, NotChecked=0, Total=22650 [2022-03-01 15:34:09,774 INFO L933 BasicCegarLoop]: 1036 mSDtfsCounter, 7257 mSDsluCounter, 51793 mSDsCounter, 0 mSdLazyCounter, 10755 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7257 SdHoareTripleChecker+Valid, 51892 SdHoareTripleChecker+Invalid, 11149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 10755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 306 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-03-01 15:34:09,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7257 Valid, 51892 Invalid, 11149 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [88 Valid, 10755 Invalid, 0 Unknown, 306 Unchecked, 4.7s Time] [2022-03-01 15:34:09,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85870 states. [2022-03-01 15:34:10,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85870 to 32745. [2022-03-01 15:34:10,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32745 states, 32744 states have (on average 2.768598827266064) internal successors, (90655), 32744 states have internal predecessors, (90655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:34:10,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32745 states to 32745 states and 90655 transitions. [2022-03-01 15:34:10,707 INFO L78 Accepts]: Start accepts. Automaton has 32745 states and 90655 transitions. Word has length 283 [2022-03-01 15:34:10,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:34:10,708 INFO L470 AbstractCegarLoop]: Abstraction has 32745 states and 90655 transitions. [2022-03-01 15:34:10,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:34:10,708 INFO L276 IsEmpty]: Start isEmpty. Operand 32745 states and 90655 transitions. [2022-03-01 15:34:10,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:34:10,749 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:34:10,749 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:34:10,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-03-01 15:34:10,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2022-03-01 15:34:10,954 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:34:10,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:34:10,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1208633770, now seen corresponding path program 12 times [2022-03-01 15:34:10,954 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:34:10,955 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912088842] [2022-03-01 15:34:10,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:34:10,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:34:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:34:12,574 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:34:12,574 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:34:12,575 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912088842] [2022-03-01 15:34:12,575 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912088842] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:34:12,575 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319841779] [2022-03-01 15:34:12,575 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-01 15:34:12,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:34:12,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:34:12,576 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:34:12,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-03-01 15:34:12,756 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-03-01 15:34:12,757 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:34:12,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-01 15:34:12,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:34:13,900 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:34:13,900 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-01 15:34:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:34:14,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:34:17,214 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:34:17,215 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:34:17,415 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:34:17,416 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319841779] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:34:17,416 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:34:17,416 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41, 31] total 95 [2022-03-01 15:34:17,416 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501718909] [2022-03-01 15:34:17,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:34:17,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-03-01 15:34:17,416 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:34:17,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-03-01 15:34:17,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=8544, Unknown=0, NotChecked=0, Total=8930 [2022-03-01 15:34:17,418 INFO L87 Difference]: Start difference. First operand 32745 states and 90655 transitions. Second operand has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:35:30,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:35:30,415 INFO L93 Difference]: Finished difference Result 117075 states and 319443 transitions. [2022-03-01 15:35:30,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2022-03-01 15:35:30,420 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:35:30,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:35:30,691 INFO L225 Difference]: With dead ends: 117075 [2022-03-01 15:35:30,691 INFO L226 Difference]: Without dead ends: 116489 [2022-03-01 15:35:30,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1282 GetRequests, 827 SyntacticMatches, 15 SemanticMatches, 440 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 69884 ImplicationChecksByTransitivity, 62.4s TimeCoverageRelationStatistics Valid=20688, Invalid=174234, Unknown=0, NotChecked=0, Total=194922 [2022-03-01 15:35:30,699 INFO L933 BasicCegarLoop]: 1804 mSDtfsCounter, 16411 mSDsluCounter, 80877 mSDsCounter, 0 mSdLazyCounter, 23245 mSolverCounterSat, 372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16411 SdHoareTripleChecker+Valid, 81389 SdHoareTripleChecker+Invalid, 25560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 372 IncrementalHoareTripleChecker+Valid, 23245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1943 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-03-01 15:35:30,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16411 Valid, 81389 Invalid, 25560 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [372 Valid, 23245 Invalid, 0 Unknown, 1943 Unchecked, 11.1s Time] [2022-03-01 15:35:30,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116489 states. [2022-03-01 15:35:31,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116489 to 34671. [2022-03-01 15:35:31,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34671 states, 34670 states have (on average 2.7721949812518027) internal successors, (96112), 34670 states have internal predecessors, (96112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:35:31,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34671 states to 34671 states and 96112 transitions. [2022-03-01 15:35:31,899 INFO L78 Accepts]: Start accepts. Automaton has 34671 states and 96112 transitions. Word has length 283 [2022-03-01 15:35:31,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:35:31,899 INFO L470 AbstractCegarLoop]: Abstraction has 34671 states and 96112 transitions. [2022-03-01 15:35:31,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:35:31,899 INFO L276 IsEmpty]: Start isEmpty. Operand 34671 states and 96112 transitions. [2022-03-01 15:35:31,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:35:31,943 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:35:31,943 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:35:31,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-03-01 15:35:32,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:35:32,144 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:35:32,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:35:32,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1592504256, now seen corresponding path program 13 times [2022-03-01 15:35:32,144 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:35:32,144 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566259125] [2022-03-01 15:35:32,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:35:32,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:35:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:35:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:35:33,726 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:35:33,726 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566259125] [2022-03-01 15:35:33,726 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566259125] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:35:33,726 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6369260] [2022-03-01 15:35:33,727 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-01 15:35:33,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:35:33,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:35:33,728 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:35:33,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-03-01 15:35:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:35:33,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-01 15:35:33,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:35:34,942 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:35:34,943 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-01 15:35:35,729 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:35:35,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:35:41,527 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:35:41,528 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:35:41,739 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:35:41,740 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6369260] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:35:41,740 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:35:41,740 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 41, 31] total 97 [2022-03-01 15:35:41,740 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150056345] [2022-03-01 15:35:41,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:35:41,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-03-01 15:35:41,740 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:35:41,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-03-01 15:35:41,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=8922, Unknown=4, NotChecked=0, Total=9312 [2022-03-01 15:35:41,741 INFO L87 Difference]: Start difference. First operand 34671 states and 96112 transitions. Second operand has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:35:53,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:35:53,996 INFO L93 Difference]: Finished difference Result 88343 states and 243129 transitions. [2022-03-01 15:35:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-01 15:35:53,997 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:35:53,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:35:54,160 INFO L225 Difference]: With dead ends: 88343 [2022-03-01 15:35:54,160 INFO L226 Difference]: Without dead ends: 87192 [2022-03-01 15:35:54,161 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 717 GetRequests, 558 SyntacticMatches, 6 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5851 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=2329, Invalid=21537, Unknown=4, NotChecked=0, Total=23870 [2022-03-01 15:35:54,162 INFO L933 BasicCegarLoop]: 981 mSDtfsCounter, 9283 mSDsluCounter, 51035 mSDsCounter, 0 mSdLazyCounter, 12330 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9283 SdHoareTripleChecker+Valid, 51083 SdHoareTripleChecker+Invalid, 12978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 12330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 584 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-03-01 15:35:54,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9283 Valid, 51083 Invalid, 12978 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [64 Valid, 12330 Invalid, 0 Unknown, 584 Unchecked, 5.2s Time] [2022-03-01 15:35:54,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87192 states. [2022-03-01 15:35:55,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87192 to 34902. [2022-03-01 15:35:55,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34902 states, 34901 states have (on average 2.77069424944844) internal successors, (96700), 34901 states have internal predecessors, (96700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:35:55,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34902 states to 34902 states and 96700 transitions. [2022-03-01 15:35:55,178 INFO L78 Accepts]: Start accepts. Automaton has 34902 states and 96700 transitions. Word has length 283 [2022-03-01 15:35:55,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:35:55,178 INFO L470 AbstractCegarLoop]: Abstraction has 34902 states and 96700 transitions. [2022-03-01 15:35:55,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:35:55,179 INFO L276 IsEmpty]: Start isEmpty. Operand 34902 states and 96700 transitions. [2022-03-01 15:35:55,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:35:55,224 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:35:55,225 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:35:55,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-03-01 15:35:55,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:35:55,425 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:35:55,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:35:55,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1919539618, now seen corresponding path program 14 times [2022-03-01 15:35:55,426 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:35:55,426 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123410400] [2022-03-01 15:35:55,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:35:55,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:35:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:35:56,984 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:35:56,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:35:56,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123410400] [2022-03-01 15:35:56,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123410400] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:35:56,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450442848] [2022-03-01 15:35:56,985 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 15:35:56,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:35:56,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:35:56,986 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:35:56,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-03-01 15:35:57,162 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 15:35:57,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:35:57,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-01 15:35:57,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:35:58,022 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:35:58,022 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-01 15:35:58,751 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:35:58,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:36:03,506 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:36:03,507 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:36:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:36:03,722 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450442848] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:36:03,722 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:36:03,722 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 36, 31] total 100 [2022-03-01 15:36:03,722 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186199021] [2022-03-01 15:36:03,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:36:03,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2022-03-01 15:36:03,723 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:36:03,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2022-03-01 15:36:03,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=9472, Unknown=3, NotChecked=0, Total=9900 [2022-03-01 15:36:03,724 INFO L87 Difference]: Start difference. First operand 34902 states and 96700 transitions. Second operand has 100 states, 100 states have (on average 5.63) internal successors, (563), 100 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:36:14,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:36:14,361 INFO L93 Difference]: Finished difference Result 88483 states and 243318 transitions. [2022-03-01 15:36:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-01 15:36:14,362 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 100 states have (on average 5.63) internal successors, (563), 100 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:36:14,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:36:14,540 INFO L225 Difference]: With dead ends: 88483 [2022-03-01 15:36:14,540 INFO L226 Difference]: Without dead ends: 88338 [2022-03-01 15:36:14,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 733 GetRequests, 566 SyntacticMatches, 1 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7020 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=2673, Invalid=25380, Unknown=3, NotChecked=0, Total=28056 [2022-03-01 15:36:14,542 INFO L933 BasicCegarLoop]: 935 mSDtfsCounter, 8556 mSDsluCounter, 40826 mSDsCounter, 0 mSdLazyCounter, 9703 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8556 SdHoareTripleChecker+Valid, 40967 SdHoareTripleChecker+Invalid, 10273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 9703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 483 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-03-01 15:36:14,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8556 Valid, 40967 Invalid, 10273 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [87 Valid, 9703 Invalid, 0 Unknown, 483 Unchecked, 4.2s Time] [2022-03-01 15:36:14,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88338 states. [2022-03-01 15:36:15,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88338 to 34903. [2022-03-01 15:36:15,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34903 states, 34902 states have (on average 2.770672167784081) internal successors, (96702), 34902 states have internal predecessors, (96702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:36:15,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34903 states to 34903 states and 96702 transitions. [2022-03-01 15:36:15,509 INFO L78 Accepts]: Start accepts. Automaton has 34903 states and 96702 transitions. Word has length 283 [2022-03-01 15:36:15,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:36:15,509 INFO L470 AbstractCegarLoop]: Abstraction has 34903 states and 96702 transitions. [2022-03-01 15:36:15,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 5.63) internal successors, (563), 100 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:36:15,510 INFO L276 IsEmpty]: Start isEmpty. Operand 34903 states and 96702 transitions. [2022-03-01 15:36:15,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:36:15,802 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:36:15,803 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:36:15,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-03-01 15:36:16,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:36:16,017 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:36:16,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:36:16,017 INFO L85 PathProgramCache]: Analyzing trace with hash 466197278, now seen corresponding path program 15 times [2022-03-01 15:36:16,017 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:36:16,018 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614781104] [2022-03-01 15:36:16,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:36:16,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:36:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:36:17,670 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:36:17,671 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:36:17,671 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614781104] [2022-03-01 15:36:17,671 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614781104] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:36:17,671 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081575874] [2022-03-01 15:36:17,671 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 15:36:17,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:36:17,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:36:17,672 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:36:17,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-03-01 15:36:17,837 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-01 15:36:17,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:36:17,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-01 15:36:17,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:36:18,901 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:36:18,902 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-01 15:36:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:36:19,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:36:22,192 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:36:22,192 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:36:22,416 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:36:22,416 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081575874] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:36:22,416 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:36:22,416 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 41, 31] total 97 [2022-03-01 15:36:22,416 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579281008] [2022-03-01 15:36:22,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:36:22,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-03-01 15:36:22,417 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:36:22,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-03-01 15:36:22,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=8927, Unknown=0, NotChecked=0, Total=9312 [2022-03-01 15:36:22,418 INFO L87 Difference]: Start difference. First operand 34903 states and 96702 transitions. Second operand has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:36:34,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:36:34,852 INFO L93 Difference]: Finished difference Result 88163 states and 242602 transitions. [2022-03-01 15:36:34,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-03-01 15:36:34,853 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:36:34,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:36:35,132 INFO L225 Difference]: With dead ends: 88163 [2022-03-01 15:36:35,132 INFO L226 Difference]: Without dead ends: 87543 [2022-03-01 15:36:35,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 741 GetRequests, 572 SyntacticMatches, 3 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6786 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=2598, Invalid=25458, Unknown=0, NotChecked=0, Total=28056 [2022-03-01 15:36:35,133 INFO L933 BasicCegarLoop]: 1037 mSDtfsCounter, 11127 mSDsluCounter, 46427 mSDsCounter, 0 mSdLazyCounter, 11481 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11127 SdHoareTripleChecker+Valid, 46731 SdHoareTripleChecker+Invalid, 12397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 11481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 821 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:36:35,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11127 Valid, 46731 Invalid, 12397 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [95 Valid, 11481 Invalid, 0 Unknown, 821 Unchecked, 5.0s Time] [2022-03-01 15:36:35,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87543 states. [2022-03-01 15:36:35,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87543 to 34935. [2022-03-01 15:36:35,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34935 states, 34934 states have (on average 2.7680196942806434) internal successors, (96698), 34934 states have internal predecessors, (96698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:36:36,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34935 states to 34935 states and 96698 transitions. [2022-03-01 15:36:36,206 INFO L78 Accepts]: Start accepts. Automaton has 34935 states and 96698 transitions. Word has length 283 [2022-03-01 15:36:36,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:36:36,206 INFO L470 AbstractCegarLoop]: Abstraction has 34935 states and 96698 transitions. [2022-03-01 15:36:36,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:36:36,206 INFO L276 IsEmpty]: Start isEmpty. Operand 34935 states and 96698 transitions. [2022-03-01 15:36:36,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:36:36,248 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:36:36,248 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:36:36,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2022-03-01 15:36:36,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2022-03-01 15:36:36,449 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:36:36,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:36:36,450 INFO L85 PathProgramCache]: Analyzing trace with hash -965424824, now seen corresponding path program 16 times [2022-03-01 15:36:36,450 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:36:36,450 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337331970] [2022-03-01 15:36:36,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:36:36,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:36:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:36:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:36:37,899 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:36:37,899 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337331970] [2022-03-01 15:36:37,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337331970] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:36:37,899 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346998235] [2022-03-01 15:36:37,899 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 15:36:37,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:36:37,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:36:37,900 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:36:37,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-03-01 15:36:38,071 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 15:36:38,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:36:38,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 79 conjunts are in the unsatisfiable core [2022-03-01 15:36:38,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:36:38,761 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:36:38,761 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-01 15:36:39,694 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:36:39,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:36:47,617 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:36:47,618 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:36:47,808 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:36:47,808 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346998235] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:36:47,808 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:36:47,809 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 31, 31] total 97 [2022-03-01 15:36:47,809 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250731165] [2022-03-01 15:36:47,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:36:47,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-03-01 15:36:47,809 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:36:47,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-03-01 15:36:47,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=370, Invalid=8937, Unknown=5, NotChecked=0, Total=9312 [2022-03-01 15:36:47,810 INFO L87 Difference]: Start difference. First operand 34935 states and 96698 transitions. Second operand has 97 states, 97 states have (on average 5.319587628865979) internal successors, (516), 97 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:37:00,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:37:00,474 INFO L93 Difference]: Finished difference Result 90382 states and 248636 transitions. [2022-03-01 15:37:00,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-03-01 15:37:00,475 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 5.319587628865979) internal successors, (516), 97 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:37:00,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:37:00,644 INFO L225 Difference]: With dead ends: 90382 [2022-03-01 15:37:00,644 INFO L226 Difference]: Without dead ends: 90237 [2022-03-01 15:37:00,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 759 GetRequests, 581 SyntacticMatches, 2 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7469 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=3065, Invalid=28436, Unknown=5, NotChecked=0, Total=31506 [2022-03-01 15:37:00,646 INFO L933 BasicCegarLoop]: 932 mSDtfsCounter, 8447 mSDsluCounter, 44133 mSDsCounter, 0 mSdLazyCounter, 11070 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8447 SdHoareTripleChecker+Valid, 44278 SdHoareTripleChecker+Invalid, 11484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 11070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 305 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-03-01 15:37:00,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8447 Valid, 44278 Invalid, 11484 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [109 Valid, 11070 Invalid, 0 Unknown, 305 Unchecked, 4.7s Time] [2022-03-01 15:37:00,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90237 states. [2022-03-01 15:37:01,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90237 to 35049. [2022-03-01 15:37:01,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35049 states, 35048 states have (on average 2.7652077151335313) internal successors, (96915), 35048 states have internal predecessors, (96915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:37:01,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35049 states to 35049 states and 96915 transitions. [2022-03-01 15:37:01,660 INFO L78 Accepts]: Start accepts. Automaton has 35049 states and 96915 transitions. Word has length 283 [2022-03-01 15:37:01,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:37:01,660 INFO L470 AbstractCegarLoop]: Abstraction has 35049 states and 96915 transitions. [2022-03-01 15:37:01,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.319587628865979) internal successors, (516), 97 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:37:01,660 INFO L276 IsEmpty]: Start isEmpty. Operand 35049 states and 96915 transitions. [2022-03-01 15:37:01,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:37:01,704 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:37:01,704 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:37:01,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2022-03-01 15:37:01,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:37:01,905 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:37:01,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:37:01,905 INFO L85 PathProgramCache]: Analyzing trace with hash 374893634, now seen corresponding path program 17 times [2022-03-01 15:37:01,905 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:37:01,905 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651741485] [2022-03-01 15:37:01,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:37:01,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:37:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:37:03,853 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:37:03,854 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:37:03,854 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651741485] [2022-03-01 15:37:03,854 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651741485] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:37:03,854 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689124700] [2022-03-01 15:37:03,854 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-01 15:37:03,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:37:03,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:37:03,855 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:37:03,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-03-01 15:37:04,056 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-03-01 15:37:04,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:37:04,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-01 15:37:04,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:37:05,095 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:37:05,095 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-01 15:37:05,856 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:37:05,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:37:10,679 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:37:10,680 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:37:10,917 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:37:10,917 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689124700] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:37:10,917 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:37:10,917 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 41, 31] total 97 [2022-03-01 15:37:10,917 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180019219] [2022-03-01 15:37:10,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:37:10,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-03-01 15:37:10,918 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:37:10,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-03-01 15:37:10,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=8923, Unknown=3, NotChecked=0, Total=9312 [2022-03-01 15:37:10,919 INFO L87 Difference]: Start difference. First operand 35049 states and 96915 transitions. Second operand has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:37:24,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:37:24,285 INFO L93 Difference]: Finished difference Result 88039 states and 242399 transitions. [2022-03-01 15:37:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-03-01 15:37:24,286 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:37:24,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:37:24,451 INFO L225 Difference]: With dead ends: 88039 [2022-03-01 15:37:24,451 INFO L226 Difference]: Without dead ends: 87685 [2022-03-01 15:37:24,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 753 GetRequests, 577 SyntacticMatches, 4 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7480 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=2906, Invalid=27193, Unknown=3, NotChecked=0, Total=30102 [2022-03-01 15:37:24,453 INFO L933 BasicCegarLoop]: 996 mSDtfsCounter, 8115 mSDsluCounter, 47528 mSDsCounter, 0 mSdLazyCounter, 11882 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8115 SdHoareTripleChecker+Valid, 47848 SdHoareTripleChecker+Invalid, 12546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 11882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 556 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:37:24,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8115 Valid, 47848 Invalid, 12546 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [108 Valid, 11882 Invalid, 0 Unknown, 556 Unchecked, 5.0s Time] [2022-03-01 15:37:24,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87685 states. [2022-03-01 15:37:25,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87685 to 35053. [2022-03-01 15:37:25,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35053 states, 35052 states have (on average 2.7646924569211455) internal successors, (96908), 35052 states have internal predecessors, (96908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:37:25,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35053 states to 35053 states and 96908 transitions. [2022-03-01 15:37:25,442 INFO L78 Accepts]: Start accepts. Automaton has 35053 states and 96908 transitions. Word has length 283 [2022-03-01 15:37:25,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:37:25,442 INFO L470 AbstractCegarLoop]: Abstraction has 35053 states and 96908 transitions. [2022-03-01 15:37:25,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.309278350515464) internal successors, (515), 97 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:37:25,443 INFO L276 IsEmpty]: Start isEmpty. Operand 35053 states and 96908 transitions. [2022-03-01 15:37:25,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:37:25,486 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:37:25,486 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:37:25,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2022-03-01 15:37:25,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:37:25,687 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:37:25,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:37:25,687 INFO L85 PathProgramCache]: Analyzing trace with hash 777302134, now seen corresponding path program 18 times [2022-03-01 15:37:25,687 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:37:25,687 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776419569] [2022-03-01 15:37:25,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:37:25,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:37:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:37:26,854 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:37:26,854 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:37:26,854 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776419569] [2022-03-01 15:37:26,854 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776419569] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:37:26,854 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298694746] [2022-03-01 15:37:26,854 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-01 15:37:26,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:37:26,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:37:26,856 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:37:26,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-03-01 15:37:27,149 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-03-01 15:37:27,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:37:27,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-01 15:37:27,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:37:28,159 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:37:28,160 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-01 15:37:29,146 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:37:29,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:37:34,356 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:37:34,356 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:37:34,563 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:37:34,563 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298694746] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:37:34,563 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:37:34,563 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41, 31] total 95 [2022-03-01 15:37:34,563 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611911579] [2022-03-01 15:37:34,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:37:34,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-03-01 15:37:34,564 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:37:34,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-03-01 15:37:34,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=8540, Unknown=4, NotChecked=0, Total=8930 [2022-03-01 15:37:34,565 INFO L87 Difference]: Start difference. First operand 35053 states and 96908 transitions. Second operand has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:37:50,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:37:50,366 INFO L93 Difference]: Finished difference Result 89147 states and 244269 transitions. [2022-03-01 15:37:50,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-03-01 15:37:50,366 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:37:50,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:37:50,528 INFO L225 Difference]: With dead ends: 89147 [2022-03-01 15:37:50,529 INFO L226 Difference]: Without dead ends: 88839 [2022-03-01 15:37:50,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 752 GetRequests, 560 SyntacticMatches, 2 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8949 ImplicationChecksByTransitivity, 16.9s TimeCoverageRelationStatistics Valid=4185, Invalid=32483, Unknown=4, NotChecked=0, Total=36672 [2022-03-01 15:37:50,531 INFO L933 BasicCegarLoop]: 940 mSDtfsCounter, 9098 mSDsluCounter, 37581 mSDsCounter, 0 mSdLazyCounter, 8462 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9098 SdHoareTripleChecker+Valid, 38045 SdHoareTripleChecker+Invalid, 9095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 8462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 427 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-03-01 15:37:50,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9098 Valid, 38045 Invalid, 9095 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [206 Valid, 8462 Invalid, 0 Unknown, 427 Unchecked, 3.8s Time] [2022-03-01 15:37:50,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88839 states. [2022-03-01 15:37:51,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88839 to 35147. [2022-03-01 15:37:51,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35147 states, 35146 states have (on average 2.7644966710294203) internal successors, (97161), 35146 states have internal predecessors, (97161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:37:51,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35147 states to 35147 states and 97161 transitions. [2022-03-01 15:37:51,500 INFO L78 Accepts]: Start accepts. Automaton has 35147 states and 97161 transitions. Word has length 283 [2022-03-01 15:37:51,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:37:51,501 INFO L470 AbstractCegarLoop]: Abstraction has 35147 states and 97161 transitions. [2022-03-01 15:37:51,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:37:51,501 INFO L276 IsEmpty]: Start isEmpty. Operand 35147 states and 97161 transitions. [2022-03-01 15:37:51,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:37:51,544 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:37:51,544 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:37:51,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2022-03-01 15:37:51,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:37:51,745 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:37:51,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:37:51,746 INFO L85 PathProgramCache]: Analyzing trace with hash 406115260, now seen corresponding path program 19 times [2022-03-01 15:37:51,746 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:37:51,746 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987362030] [2022-03-01 15:37:51,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:37:51,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:37:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:37:53,000 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:37:53,000 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:37:53,000 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987362030] [2022-03-01 15:37:53,000 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987362030] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:37:53,000 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791248934] [2022-03-01 15:37:53,000 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-01 15:37:53,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:37:53,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:37:53,001 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:37:53,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-03-01 15:37:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:37:53,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-01 15:37:53,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:37:54,504 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:37:54,504 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2022-03-01 15:37:55,378 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:37:55,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:38:02,324 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:38:02,324 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:38:02,528 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:38:02,528 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791248934] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:38:02,528 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:38:02,528 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41, 31] total 95 [2022-03-01 15:38:02,528 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293156586] [2022-03-01 15:38:02,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:38:02,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-03-01 15:38:02,529 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:38:02,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-03-01 15:38:02,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=8532, Unknown=6, NotChecked=0, Total=8930 [2022-03-01 15:38:02,530 INFO L87 Difference]: Start difference. First operand 35147 states and 97161 transitions. Second operand has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:38:15,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:38:15,612 INFO L93 Difference]: Finished difference Result 91847 states and 251927 transitions. [2022-03-01 15:38:15,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-03-01 15:38:15,613 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:38:15,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:38:15,775 INFO L225 Difference]: With dead ends: 91847 [2022-03-01 15:38:15,775 INFO L226 Difference]: Without dead ends: 91730 [2022-03-01 15:38:15,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 740 GetRequests, 564 SyntacticMatches, 16 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6728 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=2852, Invalid=23224, Unknown=6, NotChecked=0, Total=26082 [2022-03-01 15:38:15,777 INFO L933 BasicCegarLoop]: 972 mSDtfsCounter, 8942 mSDsluCounter, 46680 mSDsCounter, 0 mSdLazyCounter, 10712 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8942 SdHoareTripleChecker+Valid, 46829 SdHoareTripleChecker+Invalid, 11581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 10712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 815 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-03-01 15:38:15,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8942 Valid, 46829 Invalid, 11581 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [54 Valid, 10712 Invalid, 0 Unknown, 815 Unchecked, 4.5s Time] [2022-03-01 15:38:15,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91730 states. [2022-03-01 15:38:16,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91730 to 35390. [2022-03-01 15:38:16,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35390 states, 35389 states have (on average 2.7643335499731556) internal successors, (97827), 35389 states have internal predecessors, (97827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:38:16,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35390 states to 35390 states and 97827 transitions. [2022-03-01 15:38:16,730 INFO L78 Accepts]: Start accepts. Automaton has 35390 states and 97827 transitions. Word has length 283 [2022-03-01 15:38:16,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:38:16,730 INFO L470 AbstractCegarLoop]: Abstraction has 35390 states and 97827 transitions. [2022-03-01 15:38:16,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.421052631578948) internal successors, (515), 95 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:38:16,730 INFO L276 IsEmpty]: Start isEmpty. Operand 35390 states and 97827 transitions. [2022-03-01 15:38:16,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:38:16,773 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:38:16,773 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:38:16,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-03-01 15:38:16,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:38:16,974 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:38:16,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:38:16,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1870527642, now seen corresponding path program 20 times [2022-03-01 15:38:16,974 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:38:16,974 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677547140] [2022-03-01 15:38:16,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:38:16,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:38:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 15:38:18,193 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:38:18,193 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 15:38:18,193 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677547140] [2022-03-01 15:38:18,193 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677547140] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 15:38:18,193 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808681377] [2022-03-01 15:38:18,194 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 15:38:18,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 15:38:18,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 15:38:18,195 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 15:38:18,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-03-01 15:38:18,597 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 15:38:18,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 15:38:18,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-01 15:38:18,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 15:38:19,455 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-01 15:38:19,455 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2022-03-01 15:38:20,180 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:38:20,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 15:38:24,800 INFO L353 Elim1Store]: treesize reduction 42, result has 50.6 percent of original size [2022-03-01 15:38:24,800 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 68 [2022-03-01 15:38:25,010 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-03-01 15:38:25,011 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808681377] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 15:38:25,011 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 15:38:25,011 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 36, 31] total 100 [2022-03-01 15:38:25,011 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338576235] [2022-03-01 15:38:25,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 15:38:25,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2022-03-01 15:38:25,012 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 15:38:25,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2022-03-01 15:38:25,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=426, Invalid=9471, Unknown=3, NotChecked=0, Total=9900 [2022-03-01 15:38:25,013 INFO L87 Difference]: Start difference. First operand 35390 states and 97827 transitions. Second operand has 100 states, 100 states have (on average 5.63) internal successors, (563), 100 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:38:39,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 15:38:39,406 INFO L93 Difference]: Finished difference Result 95359 states and 263179 transitions. [2022-03-01 15:38:39,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-03-01 15:38:39,406 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 100 states have (on average 5.63) internal successors, (563), 100 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-03-01 15:38:39,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 15:38:39,589 INFO L225 Difference]: With dead ends: 95359 [2022-03-01 15:38:39,589 INFO L226 Difference]: Without dead ends: 95041 [2022-03-01 15:38:39,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 772 GetRequests, 581 SyntacticMatches, 3 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9153 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=4121, Invalid=31786, Unknown=3, NotChecked=0, Total=35910 [2022-03-01 15:38:39,591 INFO L933 BasicCegarLoop]: 930 mSDtfsCounter, 9422 mSDsluCounter, 41567 mSDsCounter, 0 mSdLazyCounter, 9140 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9422 SdHoareTripleChecker+Valid, 41470 SdHoareTripleChecker+Invalid, 11394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 9140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2114 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-03-01 15:38:39,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9422 Valid, 41470 Invalid, 11394 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [140 Valid, 9140 Invalid, 0 Unknown, 2114 Unchecked, 4.0s Time] [2022-03-01 15:38:39,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95041 states. [2022-03-01 15:38:40,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95041 to 35524. [2022-03-01 15:38:40,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35524 states, 35523 states have (on average 2.764434310165245) internal successors, (98201), 35523 states have internal predecessors, (98201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:38:40,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35524 states to 35524 states and 98201 transitions. [2022-03-01 15:38:40,616 INFO L78 Accepts]: Start accepts. Automaton has 35524 states and 98201 transitions. Word has length 283 [2022-03-01 15:38:40,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 15:38:40,616 INFO L470 AbstractCegarLoop]: Abstraction has 35524 states and 98201 transitions. [2022-03-01 15:38:40,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 5.63) internal successors, (563), 100 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 15:38:40,616 INFO L276 IsEmpty]: Start isEmpty. Operand 35524 states and 98201 transitions. [2022-03-01 15:38:40,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-03-01 15:38:40,663 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 15:38:40,663 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 15:38:40,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-03-01 15:38:40,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2022-03-01 15:38:40,864 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-01 15:38:40,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 15:38:40,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1087604220, now seen corresponding path program 21 times [2022-03-01 15:38:40,865 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 15:38:40,865 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710481729] [2022-03-01 15:38:40,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 15:38:40,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 15:38:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-03-01 15:38:41,406 WARN L244 SmtUtils]: Removed 4 from assertion stack [2022-03-01 15:38:41,408 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-03-01 15:38:41,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-03-01 15:38:41,408 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 284 with TraceHistMax 5,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 23 for 9ms.. [2022-03-01 15:38:41,409 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-01 15:38:41,410 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-01 15:38:41,412 INFO L732 BasicCegarLoop]: Path program histogram: [21, 16, 10, 5, 1, 1, 1, 1] [2022-03-01 15:38:41,417 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 15:38:41,417 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 15:38:41,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 03:38:41 BasicIcfg [2022-03-01 15:38:41,422 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 15:38:41,422 INFO L158 Benchmark]: Toolchain (without parser) took 721461.02ms. Allocated memory was 176.2MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 119.9MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-03-01 15:38:41,422 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 15:38:41,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.56ms. Allocated memory was 176.2MB in the beginning and 269.5MB in the end (delta: 93.3MB). Free memory was 119.7MB in the beginning and 239.0MB in the end (delta: -119.3MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. [2022-03-01 15:38:41,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.69ms. Allocated memory is still 269.5MB. Free memory was 239.0MB in the beginning and 236.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-01 15:38:41,422 INFO L158 Benchmark]: Boogie Preprocessor took 26.54ms. Allocated memory is still 269.5MB. Free memory was 236.4MB in the beginning and 234.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 15:38:41,422 INFO L158 Benchmark]: RCFGBuilder took 503.62ms. Allocated memory is still 269.5MB. Free memory was 234.8MB in the beginning and 215.4MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-03-01 15:38:41,422 INFO L158 Benchmark]: TraceAbstraction took 720635.22ms. Allocated memory was 269.5MB in the beginning and 4.7GB in the end (delta: 4.4GB). Free memory was 214.9MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-03-01 15:38:41,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2022-03-01 15:38:41,427 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 250.56ms. Allocated memory was 176.2MB in the beginning and 269.5MB in the end (delta: 93.3MB). Free memory was 119.7MB in the beginning and 239.0MB in the end (delta: -119.3MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.69ms. Allocated memory is still 269.5MB. Free memory was 239.0MB in the beginning and 236.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.54ms. Allocated memory is still 269.5MB. Free memory was 236.4MB in the beginning and 234.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 503.62ms. Allocated memory is still 269.5MB. Free memory was 234.8MB in the beginning and 215.4MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 720635.22ms. Allocated memory was 269.5MB in the beginning and 4.7GB in the end (delta: 4.4GB). Free memory was 214.9MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 284 with TraceHistMax 5,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 23 for 9ms.. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 284 with TraceHistMax 5,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 23 for 9ms.. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 284 with TraceHistMax 5,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 23 for 9ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 358 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 720.4s, OverallIterations: 56, TraceHistogramMax: 5, PathProgramHistogramMax: 21, EmptinessCheckTime: 2.1s, AutomataDifference: 498.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 230781 SdHoareTripleChecker+Valid, 114.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 230781 mSDsluCounter, 1137306 SdHoareTripleChecker+Invalid, 97.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 40997 IncrementalHoareTripleChecker+Unchecked, 1117060 mSDsCounter, 3618 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 256760 IncrementalHoareTripleChecker+Invalid, 301375 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3618 mSolverCounterUnsat, 37877 mSDtfsCounter, 256760 mSolverCounterSat, 2.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20054 GetRequests, 14619 SyntacticMatches, 152 SemanticMatches, 5283 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 744486 ImplicationChecksByTransitivity, 450.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35524occurred in iteration=55, InterpolantAutomatonStates: 3426, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 34.2s AutomataMinimizationTime, 55 MinimizatonAttempts, 1751877 StatesRemovedByMinimization, 52 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 170.8s InterpolantComputationTime, 20377 NumberOfCodeBlocks, 19891 NumberOfCodeBlocksAsserted, 108 NumberOfCheckSat, 26567 ConstructedInterpolants, 59 QuantifiedInterpolants, 204785 SizeOfPredicates, 925 NumberOfNonLiveVariables, 12002 ConjunctsInSsa, 1673 ConjunctsInUnsatCore, 103 InterpolantComputations, 32 PerfectInterpolantSequences, 13791/14037 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown