/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/parallel-parallel-sum-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 14:01:34,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 14:01:34,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 14:01:34,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-15 14:01:34,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 14:01:34,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 14:01:34,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 14:01:34,944 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 [2022-03-15 14:01:34,973 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 14:01:34,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 14:01:34,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 14:01:34,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 14:01:34,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 14:01:34,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 14:01:34,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 14:01:34,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 14:01:34,976 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 14:01:34,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 14:01:34,976 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 14:01:34,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 14:01:34,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 14:01:34,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 14:01:34,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 14:01:34,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 14:01:34,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 14:01:34,977 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 14:01:34,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 14:01:34,977 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 14:01:34,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 14:01:34,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 14:01:34,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 14:01:34,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 14:01:34,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 14:01:34,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 14:01:34,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 14:01:34,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 14:01:34,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 14:01:34,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 14:01:34,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 14:01:34,979 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 14:01:34,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 14:01:34,979 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 14:01:35,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 14:01:35,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 14:01:35,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 14:01:35,227 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 14:01:35,227 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 14:01:35,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2022-03-15 14:01:35,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9879096a/e31ece79e5a442dc9a69984b0b27ccca/FLAG92833588c [2022-03-15 14:01:35,710 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 14:01:35,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2022-03-15 14:01:35,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9879096a/e31ece79e5a442dc9a69984b0b27ccca/FLAG92833588c [2022-03-15 14:01:35,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9879096a/e31ece79e5a442dc9a69984b0b27ccca [2022-03-15 14:01:35,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 14:01:35,741 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 14:01:35,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 14:01:35,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 14:01:35,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 14:01:35,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 02:01:35" (1/1) ... [2022-03-15 14:01:35,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3843357f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:01:35, skipping insertion in model container [2022-03-15 14:01:35,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 02:01:35" (1/1) ... [2022-03-15 14:01:35,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 14:01:35,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 14:01:36,039 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/parallel-parallel-sum-1.wvr.c[3642,3655] [2022-03-15 14:01:36,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 14:01:36,057 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 14:01:36,091 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/parallel-parallel-sum-1.wvr.c[3642,3655] [2022-03-15 14:01:36,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 14:01:36,113 INFO L208 MainTranslator]: Completed translation [2022-03-15 14:01:36,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:01:36 WrapperNode [2022-03-15 14:01:36,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 14:01:36,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 14:01:36,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 14:01:36,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 14:01:36,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:01:36" (1/1) ... [2022-03-15 14:01:36,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:01:36" (1/1) ... [2022-03-15 14:01:36,178 INFO L137 Inliner]: procedures = 27, calls = 68, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 297 [2022-03-15 14:01:36,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 14:01:36,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 14:01:36,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 14:01:36,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 14:01:36,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:01:36" (1/1) ... [2022-03-15 14:01:36,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:01:36" (1/1) ... [2022-03-15 14:01:36,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:01:36" (1/1) ... [2022-03-15 14:01:36,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:01:36" (1/1) ... [2022-03-15 14:01:36,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:01:36" (1/1) ... [2022-03-15 14:01:36,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:01:36" (1/1) ... [2022-03-15 14:01:36,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:01:36" (1/1) ... [2022-03-15 14:01:36,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 14:01:36,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 14:01:36,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 14:01:36,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 14:01:36,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:01:36" (1/1) ... [2022-03-15 14:01:36,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 14:01:36,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:01:36,277 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) [2022-03-15 14:01:36,284 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 [2022-03-15 14:01:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 14:01:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 14:01:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 14:01:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 14:01:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 14:01:36,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 14:01:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 14:01:36,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 14:01:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-15 14:01:36,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-15 14:01:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-15 14:01:36,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-15 14:01:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 14:01:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-15 14:01:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-15 14:01:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-15 14:01:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 14:01:36,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 14:01:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 14:01:36,327 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 14:01:36,453 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 14:01:36,469 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 14:01:36,829 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 14:01:37,017 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 14:01:37,017 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-03-15 14:01:37,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 02:01:37 BoogieIcfgContainer [2022-03-15 14:01:37,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 14:01:37,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 14:01:37,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 14:01:37,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 14:01:37,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 02:01:35" (1/3) ... [2022-03-15 14:01:37,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21187d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 02:01:37, skipping insertion in model container [2022-03-15 14:01:37,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:01:36" (2/3) ... [2022-03-15 14:01:37,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21187d73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 02:01:37, skipping insertion in model container [2022-03-15 14:01:37,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 02:01:37" (3/3) ... [2022-03-15 14:01:37,032 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2022-03-15 14:01:37,042 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 14:01:37,043 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 14:01:37,043 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 14:01:37,043 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 14:01:37,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,093 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,093 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,097 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,103 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,103 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,103 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,104 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,104 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,104 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,104 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,104 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,104 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,104 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,104 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,132 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,132 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,132 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,132 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,132 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,132 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,133 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,133 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,133 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,134 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,134 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,134 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,134 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,134 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,135 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,135 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,135 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,135 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,135 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,135 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,135 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,136 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,137 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,137 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,137 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,137 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,137 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,138 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,138 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,138 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,138 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,138 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,138 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,141 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,141 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,141 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,141 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,141 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,142 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,142 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,142 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,142 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,143 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,143 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,143 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,143 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,143 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,143 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,144 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,144 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,144 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,144 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,144 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,144 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,145 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,145 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,145 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,145 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,145 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,145 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,145 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,146 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,146 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,146 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,146 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,146 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,146 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,151 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,151 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,152 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,152 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,152 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,152 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,152 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,152 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,152 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,153 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,153 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,153 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,153 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,157 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,157 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,157 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,158 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,158 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,158 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,158 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,158 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,158 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,158 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,159 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,159 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,159 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,162 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,162 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,162 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,162 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,162 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,162 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,162 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,163 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,163 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,163 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,163 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,163 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,163 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:01:37,167 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-15 14:01:37,211 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 14:01:37,219 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 [2022-03-15 14:01:37,219 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-15 14:01:37,233 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 204 places, 206 transitions, 444 flow [2022-03-15 14:01:38,334 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 21756 states, 21755 states have (on average 4.979269133532521) internal successors, (108324), 21755 states have internal predecessors, (108324), 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) [2022-03-15 14:01:38,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 21756 states, 21755 states have (on average 4.979269133532521) internal successors, (108324), 21755 states have internal predecessors, (108324), 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) [2022-03-15 14:01:38,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-03-15 14:01:38,703 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:38,704 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] [2022-03-15 14:01:38,705 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:01:38,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:38,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1098836800, now seen corresponding path program 1 times [2022-03-15 14:01:38,718 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:38,718 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126207059] [2022-03-15 14:01:38,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:38,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:39,047 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:39,047 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126207059] [2022-03-15 14:01:39,047 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126207059] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:39,048 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:39,048 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 14:01:39,049 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533474414] [2022-03-15 14:01:39,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:39,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-15 14:01:39,053 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:39,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-15 14:01:39,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-15 14:01:39,125 INFO L87 Difference]: Start difference. First operand has 21756 states, 21755 states have (on average 4.979269133532521) internal successors, (108324), 21755 states have internal predecessors, (108324), 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) [2022-03-15 14:01:39,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:39,548 INFO L93 Difference]: Finished difference Result 21756 states and 98245 transitions. [2022-03-15 14:01:39,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-15 14:01:39,551 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 [2022-03-15 14:01:39,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:39,868 INFO L225 Difference]: With dead ends: 21756 [2022-03-15 14:01:39,869 INFO L226 Difference]: Without dead ends: 21751 [2022-03-15 14:01:39,871 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 [2022-03-15 14:01:39,876 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:39,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 14:01:39,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21751 states. [2022-03-15 14:01:40,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21751 to 21751. [2022-03-15 14:01:40,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21751 states, 21750 states have (on average 4.5167816091954025) internal successors, (98240), 21750 states have internal predecessors, (98240), 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) [2022-03-15 14:01:41,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21751 states to 21751 states and 98240 transitions. [2022-03-15 14:01:41,411 INFO L78 Accepts]: Start accepts. Automaton has 21751 states and 98240 transitions. Word has length 147 [2022-03-15 14:01:41,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:41,412 INFO L470 AbstractCegarLoop]: Abstraction has 21751 states and 98240 transitions. [2022-03-15 14:01:41,412 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) [2022-03-15 14:01:41,412 INFO L276 IsEmpty]: Start isEmpty. Operand 21751 states and 98240 transitions. [2022-03-15 14:01:41,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-03-15 14:01:41,556 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:41,556 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] [2022-03-15 14:01:41,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 14:01:41,557 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:01:41,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:41,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1178513303, now seen corresponding path program 1 times [2022-03-15 14:01:41,558 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:41,558 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828722292] [2022-03-15 14:01:41,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:41,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:41,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:41,932 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:41,933 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828722292] [2022-03-15 14:01:41,933 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828722292] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:41,933 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:41,933 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-15 14:01:41,933 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495451865] [2022-03-15 14:01:41,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:41,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 14:01:41,935 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:41,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 14:01:41,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-03-15 14:01:41,940 INFO L87 Difference]: Start difference. First operand 21751 states and 98240 transitions. Second operand has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 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) [2022-03-15 14:01:42,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:42,778 INFO L93 Difference]: Finished difference Result 43397 states and 196374 transitions. [2022-03-15 14:01:42,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 14:01:42,779 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 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 151 [2022-03-15 14:01:42,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:43,161 INFO L225 Difference]: With dead ends: 43397 [2022-03-15 14:01:43,161 INFO L226 Difference]: Without dead ends: 42115 [2022-03-15 14:01:43,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-15 14:01:43,163 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 142 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:43,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 534 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 14:01:43,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42115 states. [2022-03-15 14:01:44,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42115 to 24370. [2022-03-15 14:01:44,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24370 states, 24369 states have (on average 4.496696622758423) internal successors, (109580), 24369 states have internal predecessors, (109580), 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) [2022-03-15 14:01:44,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24370 states to 24370 states and 109580 transitions. [2022-03-15 14:01:44,626 INFO L78 Accepts]: Start accepts. Automaton has 24370 states and 109580 transitions. Word has length 151 [2022-03-15 14:01:44,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:44,628 INFO L470 AbstractCegarLoop]: Abstraction has 24370 states and 109580 transitions. [2022-03-15 14:01:44,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 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) [2022-03-15 14:01:44,628 INFO L276 IsEmpty]: Start isEmpty. Operand 24370 states and 109580 transitions. [2022-03-15 14:01:44,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-03-15 14:01:44,895 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:44,895 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] [2022-03-15 14:01:44,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 14:01:44,895 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:01:44,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:44,896 INFO L85 PathProgramCache]: Analyzing trace with hash 133319343, now seen corresponding path program 1 times [2022-03-15 14:01:44,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:44,896 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447908724] [2022-03-15 14:01:44,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:44,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:45,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 14:01:45,175 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:45,175 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447908724] [2022-03-15 14:01:45,176 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447908724] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:45,176 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:45,176 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-15 14:01:45,176 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723462852] [2022-03-15 14:01:45,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:45,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 14:01:45,177 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:45,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 14:01:45,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-03-15 14:01:45,178 INFO L87 Difference]: Start difference. First operand 24370 states and 109580 transitions. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 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) [2022-03-15 14:01:46,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:46,019 INFO L93 Difference]: Finished difference Result 43628 states and 191858 transitions. [2022-03-15 14:01:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 14:01:46,020 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 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 155 [2022-03-15 14:01:46,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:46,215 INFO L225 Difference]: With dead ends: 43628 [2022-03-15 14:01:46,216 INFO L226 Difference]: Without dead ends: 24376 [2022-03-15 14:01:46,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:01:46,224 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 678 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:46,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [678 Valid, 1018 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:01:46,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24376 states. [2022-03-15 14:01:47,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24376 to 24371. [2022-03-15 14:01:47,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24371 states, 24370 states have (on average 4.496553139105457) internal successors, (109581), 24370 states have internal predecessors, (109581), 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) [2022-03-15 14:01:47,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24371 states to 24371 states and 109581 transitions. [2022-03-15 14:01:47,420 INFO L78 Accepts]: Start accepts. Automaton has 24371 states and 109581 transitions. Word has length 155 [2022-03-15 14:01:47,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:47,422 INFO L470 AbstractCegarLoop]: Abstraction has 24371 states and 109581 transitions. [2022-03-15 14:01:47,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 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) [2022-03-15 14:01:47,422 INFO L276 IsEmpty]: Start isEmpty. Operand 24371 states and 109581 transitions. [2022-03-15 14:01:47,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-03-15 14:01:47,493 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:47,494 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, 1] [2022-03-15 14:01:47,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 14:01:47,494 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:01:47,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:47,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1337997160, now seen corresponding path program 1 times [2022-03-15 14:01:47,495 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:47,495 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062864173] [2022-03-15 14:01:47,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:47,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:47,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 14:01:47,650 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:47,650 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062864173] [2022-03-15 14:01:47,650 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062864173] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:01:47,650 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:01:47,650 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 14:01:47,650 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305909507] [2022-03-15 14:01:47,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:01:47,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 14:01:47,651 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:47,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 14:01:47,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-03-15 14:01:47,652 INFO L87 Difference]: Start difference. First operand 24371 states and 109581 transitions. Second operand has 8 states, 8 states have (on average 20.25) internal successors, (162), 8 states have internal predecessors, (162), 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) [2022-03-15 14:01:48,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:48,723 INFO L93 Difference]: Finished difference Result 66955 states and 303810 transitions. [2022-03-15 14:01:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 14:01:48,723 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 8 states have internal predecessors, (162), 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 162 [2022-03-15 14:01:48,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:49,198 INFO L225 Difference]: With dead ends: 66955 [2022-03-15 14:01:49,198 INFO L226 Difference]: Without dead ends: 57401 [2022-03-15 14:01:49,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-03-15 14:01:49,206 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 228 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:49,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 796 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 14:01:49,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57401 states. [2022-03-15 14:01:51,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57401 to 50343. [2022-03-15 14:01:51,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50343 states, 50342 states have (on average 4.582932740058003) internal successors, (230714), 50342 states have internal predecessors, (230714), 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) [2022-03-15 14:01:51,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50343 states to 50343 states and 230714 transitions. [2022-03-15 14:01:51,572 INFO L78 Accepts]: Start accepts. Automaton has 50343 states and 230714 transitions. Word has length 162 [2022-03-15 14:01:51,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:01:51,573 INFO L470 AbstractCegarLoop]: Abstraction has 50343 states and 230714 transitions. [2022-03-15 14:01:51,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 8 states have internal predecessors, (162), 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) [2022-03-15 14:01:51,573 INFO L276 IsEmpty]: Start isEmpty. Operand 50343 states and 230714 transitions. [2022-03-15 14:01:52,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-03-15 14:01:52,130 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:01:52,131 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, 1] [2022-03-15 14:01:52,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 14:01:52,131 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:01:52,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:01:52,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1052936008, now seen corresponding path program 1 times [2022-03-15 14:01:52,132 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:01:52,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937777206] [2022-03-15 14:01:52,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:52,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:01:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:52,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:01:52,317 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:01:52,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937777206] [2022-03-15 14:01:52,317 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937777206] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:01:52,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382012982] [2022-03-15 14:01:52,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:01:52,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:01:52,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:01:52,320 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) [2022-03-15 14:01:52,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 14:01:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:01:52,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 11 conjunts are in the unsatisfiable core [2022-03-15 14:01:52,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:01:53,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 14:01:53,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:01:53,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 14:01:53,617 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382012982] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:01:53,620 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:01:53,621 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 21 [2022-03-15 14:01:53,621 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890521806] [2022-03-15 14:01:53,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:01:53,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 14:01:53,622 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:01:53,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 14:01:53,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2022-03-15 14:01:53,623 INFO L87 Difference]: Start difference. First operand 50343 states and 230714 transitions. Second operand has 21 states, 21 states have (on average 15.476190476190476) internal successors, (325), 21 states have internal predecessors, (325), 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) [2022-03-15 14:01:56,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:01:56,616 INFO L93 Difference]: Finished difference Result 136056 states and 616109 transitions. [2022-03-15 14:01:56,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-15 14:01:56,617 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 15.476190476190476) internal successors, (325), 21 states have internal predecessors, (325), 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 162 [2022-03-15 14:01:56,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:01:57,484 INFO L225 Difference]: With dead ends: 136056 [2022-03-15 14:01:57,484 INFO L226 Difference]: Without dead ends: 114270 [2022-03-15 14:01:57,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=347, Invalid=1459, Unknown=0, NotChecked=0, Total=1806 [2022-03-15 14:01:57,485 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 1634 mSDsluCounter, 2446 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 2429 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 14:01:57,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1634 Valid, 2429 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 14:01:57,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114270 states. [2022-03-15 14:02:01,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114270 to 83498. [2022-03-15 14:02:01,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83498 states, 83497 states have (on average 4.605925961411788) internal successors, (384581), 83497 states have internal predecessors, (384581), 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) [2022-03-15 14:02:02,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83498 states to 83498 states and 384581 transitions. [2022-03-15 14:02:02,069 INFO L78 Accepts]: Start accepts. Automaton has 83498 states and 384581 transitions. Word has length 162 [2022-03-15 14:02:02,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:02:02,070 INFO L470 AbstractCegarLoop]: Abstraction has 83498 states and 384581 transitions. [2022-03-15 14:02:02,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 15.476190476190476) internal successors, (325), 21 states have internal predecessors, (325), 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) [2022-03-15 14:02:02,075 INFO L276 IsEmpty]: Start isEmpty. Operand 83498 states and 384581 transitions. [2022-03-15 14:02:02,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-03-15 14:02:02,395 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:02:02,396 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:02:02,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-03-15 14:02:02,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:02:02,616 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:02:02,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:02:02,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1130023205, now seen corresponding path program 1 times [2022-03-15 14:02:02,616 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:02:02,617 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358707688] [2022-03-15 14:02:02,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:02:02,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:02:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:02:03,250 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-15 14:02:03,251 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:02:03,251 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358707688] [2022-03-15 14:02:03,251 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358707688] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:02:03,251 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871982841] [2022-03-15 14:02:03,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:02:03,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:02:03,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:02:03,267 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) [2022-03-15 14:02:03,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 14:02:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:02:03,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 69 conjunts are in the unsatisfiable core [2022-03-15 14:02:03,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:02:03,482 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 14:02:03,704 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-15 14:02:03,705 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 11 [2022-03-15 14:02:04,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 14:02:04,746 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-03-15 14:02:04,856 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-03-15 14:02:04,966 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:02:04,967 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 25 treesize of output 25 [2022-03-15 14:02:05,275 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 14:02:05,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:02:05,935 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 75 [2022-03-15 14:02:05,939 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2022-03-15 14:02:05,945 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 54 [2022-03-15 14:02:05,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 14:02:05,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 14:02:06,864 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-03-15 14:02:06,912 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-15 14:02:06,912 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871982841] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:02:06,912 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:02:06,912 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 20] total 43 [2022-03-15 14:02:06,912 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366763472] [2022-03-15 14:02:06,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:02:06,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-03-15 14:02:06,913 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:02:06,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-03-15 14:02:06,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1635, Unknown=5, NotChecked=0, Total=1806 [2022-03-15 14:02:06,914 INFO L87 Difference]: Start difference. First operand 83498 states and 384581 transitions. Second operand has 43 states, 43 states have (on average 7.906976744186046) internal successors, (340), 43 states have internal predecessors, (340), 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) [2022-03-15 14:02:10,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:02:10,033 INFO L93 Difference]: Finished difference Result 124335 states and 570751 transitions. [2022-03-15 14:02:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 14:02:10,034 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 7.906976744186046) internal successors, (340), 43 states have internal predecessors, (340), 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 173 [2022-03-15 14:02:10,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:02:10,832 INFO L225 Difference]: With dead ends: 124335 [2022-03-15 14:02:10,832 INFO L226 Difference]: Without dead ends: 122429 [2022-03-15 14:02:10,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 328 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1056 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=562, Invalid=3723, Unknown=5, NotChecked=0, Total=4290 [2022-03-15 14:02:10,834 INFO L933 BasicCegarLoop]: 258 mSDtfsCounter, 2405 mSDsluCounter, 4707 mSDsCounter, 0 mSdLazyCounter, 1115 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2405 SdHoareTripleChecker+Valid, 4664 SdHoareTripleChecker+Invalid, 1749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 545 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:02:10,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2405 Valid, 4664 Invalid, 1749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1115 Invalid, 0 Unknown, 545 Unchecked, 0.8s Time] [2022-03-15 14:02:11,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122429 states. [2022-03-15 14:02:14,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122429 to 87645. [2022-03-15 14:02:14,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87645 states, 87644 states have (on average 4.601935101090777) internal successors, (403332), 87644 states have internal predecessors, (403332), 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) [2022-03-15 14:02:15,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87645 states to 87645 states and 403332 transitions. [2022-03-15 14:02:15,175 INFO L78 Accepts]: Start accepts. Automaton has 87645 states and 403332 transitions. Word has length 173 [2022-03-15 14:02:15,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:02:15,176 INFO L470 AbstractCegarLoop]: Abstraction has 87645 states and 403332 transitions. [2022-03-15 14:02:15,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 7.906976744186046) internal successors, (340), 43 states have internal predecessors, (340), 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) [2022-03-15 14:02:15,176 INFO L276 IsEmpty]: Start isEmpty. Operand 87645 states and 403332 transitions. [2022-03-15 14:02:15,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-03-15 14:02:15,907 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:02:15,908 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:02:15,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-15 14:02:16,123 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,SelfDestructingSolverStorable5 [2022-03-15 14:02:16,124 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:02:16,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:02:16,124 INFO L85 PathProgramCache]: Analyzing trace with hash -2135796019, now seen corresponding path program 2 times [2022-03-15 14:02:16,124 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:02:16,124 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749183200] [2022-03-15 14:02:16,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:02:16,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:02:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:02:16,587 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-15 14:02:16,588 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:02:16,588 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749183200] [2022-03-15 14:02:16,588 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749183200] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:02:16,588 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462686144] [2022-03-15 14:02:16,588 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 14:02:16,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:02:16,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:02:16,590 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) [2022-03-15 14:02:16,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 14:02:16,737 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 14:02:16,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 14:02:16,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 73 conjunts are in the unsatisfiable core [2022-03-15 14:02:16,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:02:17,666 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-15 14:02:18,223 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 14:02:18,409 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 14:02:18,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 14:02:18,930 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2022-03-15 14:02:19,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 14:02:19,048 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2022-03-15 14:02:19,156 INFO L353 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-03-15 14:02:19,156 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 26 treesize of output 13 [2022-03-15 14:02:19,381 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:02:19,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:02:20,388 WARN L838 $PredicateComparison]: unable to prove that (or (and (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse1 (+ c_~x~0.offset 4 (* c_~i2~0 4)))) (<= (+ c_~s2~0 (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) c_~x~0.base) .cse1)) (+ c_~s1~0 (select (select .cse0 c_~x~0.base) .cse1))))) (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse3 (+ c_~x~0.offset 4 (* c_~i2~0 4)))) (<= (+ c_~s1~0 (select (select .cse2 c_~x~0.base) .cse3)) (+ c_~s2~0 (select (select (store (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) c_~x~0.base) .cse3)))))) (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (not (= (+ c_~i2~0 1) (+ c_~i1~0 1)))) is different from false [2022-03-15 14:02:20,412 WARN L838 $PredicateComparison]: unable to prove that (or (and (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse1 (+ c_~x~0.offset 4 (* c_~i2~0 4)))) (<= (+ c_~s2~0 (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) c_~x~0.base) .cse1)) (+ c_~s1~0 (select (select .cse0 c_~x~0.base) .cse1))))) (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse3 (+ c_~x~0.offset 4 (* c_~i2~0 4)))) (<= (+ c_~s1~0 (select (select .cse2 c_~x~0.base) .cse3)) (+ c_~s2~0 (select (select (store (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) c_~x~0.base) .cse3)))))) (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (not (= (+ c_~i2~0 1) (+ c_~i1~0 1)))) is different from false [2022-03-15 14:02:20,456 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse1 (+ c_~x~0.offset 4))) (<= (select (select .cse0 c_~x~0.base) .cse1) (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) c_~x~0.base) .cse1)))) (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse3 (+ c_~x~0.offset 4))) (<= (select (select (store (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) c_~x~0.base) .cse3) (select (select .cse2 c_~x~0.base) .cse3))))) is different from false [2022-03-15 14:02:20,484 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse1 (+ |c_ULTIMATE.start_main_#t~ret26#1.offset| 4))) (<= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_#t~ret26#1.base|) .cse1) (select (select .cse0 |c_ULTIMATE.start_main_#t~ret26#1.base|) .cse1)))) (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse3 (+ |c_ULTIMATE.start_main_#t~ret26#1.offset| 4))) (<= (select (select .cse2 |c_ULTIMATE.start_main_#t~ret26#1.base|) .cse3) (select (select (store (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_#t~ret26#1.base|) .cse3))))) is different from false [2022-03-15 14:02:20,503 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse1 (+ |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4))) (<= (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) .cse1) (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) .cse1)))) (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse3 (+ |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4))) (<= (select (select (store (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) .cse3) (select (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) .cse3))))) is different from false [2022-03-15 14:02:20,515 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse1 (+ 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (<= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse1) (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse1)))) (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse3 (+ 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (<= (select (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse3) (select (select (store (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse3))))) is different from false [2022-03-15 14:02:20,561 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:02:20,562 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 46 [2022-03-15 14:02:20,566 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2606 treesize of output 2390 [2022-03-15 14:02:20,738 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2334 treesize of output 2190 [2022-03-15 14:02:20,751 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2190 treesize of output 1934 [2022-03-15 14:02:20,769 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1934 treesize of output 1678 [2022-03-15 14:02:20,781 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1678 treesize of output 1550 [2022-03-15 14:02:37,667 INFO L353 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-03-15 14:02:37,667 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 1 [2022-03-15 14:02:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 6 not checked. [2022-03-15 14:02:37,974 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462686144] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:02:37,974 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:02:37,975 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 27, 23] total 57 [2022-03-15 14:02:37,975 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597705251] [2022-03-15 14:02:37,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:02:37,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-03-15 14:02:37,976 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:02:37,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-03-15 14:02:37,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=2292, Unknown=23, NotChecked=618, Total=3192 [2022-03-15 14:02:37,977 INFO L87 Difference]: Start difference. First operand 87645 states and 403332 transitions. Second operand has 57 states, 57 states have (on average 7.43859649122807) internal successors, (424), 57 states have internal predecessors, (424), 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) [2022-03-15 14:02:43,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:02:43,674 INFO L93 Difference]: Finished difference Result 220253 states and 1021237 transitions. [2022-03-15 14:02:43,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-15 14:02:43,674 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 7.43859649122807) internal successors, (424), 57 states have internal predecessors, (424), 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 173 [2022-03-15 14:02:43,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:02:47,098 INFO L225 Difference]: With dead ends: 220253 [2022-03-15 14:02:47,098 INFO L226 Difference]: Without dead ends: 216759 [2022-03-15 14:02:47,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 322 SyntacticMatches, 13 SemanticMatches, 92 ConstructedPredicates, 6 IntricatePredicates, 1 DeprecatedPredicates, 2614 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=854, Invalid=6803, Unknown=23, NotChecked=1062, Total=8742 [2022-03-15 14:02:47,101 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 2355 mSDsluCounter, 8971 mSDsCounter, 0 mSdLazyCounter, 2858 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 8454 SdHoareTripleChecker+Invalid, 7360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 2858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4402 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 14:02:47,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2355 Valid, 8454 Invalid, 7360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 2858 Invalid, 0 Unknown, 4402 Unchecked, 1.4s Time] [2022-03-15 14:02:47,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216759 states. [2022-03-15 14:02:54,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216759 to 99514. [2022-03-15 14:02:54,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99514 states, 99513 states have (on average 4.631083376041321) internal successors, (460853), 99513 states have internal predecessors, (460853), 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) [2022-03-15 14:02:55,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99514 states to 99514 states and 460853 transitions. [2022-03-15 14:02:55,245 INFO L78 Accepts]: Start accepts. Automaton has 99514 states and 460853 transitions. Word has length 173 [2022-03-15 14:02:55,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:02:55,246 INFO L470 AbstractCegarLoop]: Abstraction has 99514 states and 460853 transitions. [2022-03-15 14:02:55,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 7.43859649122807) internal successors, (424), 57 states have internal predecessors, (424), 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) [2022-03-15 14:02:55,246 INFO L276 IsEmpty]: Start isEmpty. Operand 99514 states and 460853 transitions. [2022-03-15 14:02:55,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-03-15 14:02:55,575 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:02:55,575 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:02:55,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-15 14:02:55,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:02:55,777 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:02:55,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:02:55,778 INFO L85 PathProgramCache]: Analyzing trace with hash -305134849, now seen corresponding path program 1 times [2022-03-15 14:02:55,778 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:02:55,778 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058149194] [2022-03-15 14:02:55,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:02:55,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:02:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:02:56,531 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-15 14:02:56,532 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:02:56,532 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058149194] [2022-03-15 14:02:56,532 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058149194] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:02:56,532 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744689321] [2022-03-15 14:02:56,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:02:56,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:02:56,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:02:56,533 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) [2022-03-15 14:02:56,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-15 14:02:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:02:56,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 71 conjunts are in the unsatisfiable core [2022-03-15 14:02:56,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:02:56,703 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 14:02:56,912 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-15 14:02:56,912 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 11 [2022-03-15 14:02:57,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 14:02:57,747 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2022-03-15 14:02:57,849 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2022-03-15 14:02:58,017 INFO L353 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-03-15 14:02:58,017 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 26 treesize of output 13 [2022-03-15 14:02:58,133 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 14:02:58,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:02:58,710 INFO L353 Elim1Store]: treesize reduction 14, result has 22.2 percent of original size [2022-03-15 14:02:58,710 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 124 treesize of output 83 [2022-03-15 14:02:58,717 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2022-03-15 14:02:58,719 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 54 [2022-03-15 14:02:58,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 14:02:58,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 14:02:58,772 INFO L353 Elim1Store]: treesize reduction 14, result has 22.2 percent of original size [2022-03-15 14:02:58,773 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2022-03-15 14:02:59,594 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-03-15 14:02:59,639 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-15 14:02:59,639 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744689321] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:02:59,639 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:02:59,639 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 20] total 45 [2022-03-15 14:02:59,640 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297433499] [2022-03-15 14:02:59,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:02:59,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-03-15 14:02:59,641 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:02:59,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-03-15 14:02:59,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=1767, Unknown=6, NotChecked=0, Total=1980 [2022-03-15 14:02:59,642 INFO L87 Difference]: Start difference. First operand 99514 states and 460853 transitions. Second operand has 45 states, 45 states have (on average 9.244444444444444) internal successors, (416), 45 states have internal predecessors, (416), 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) [2022-03-15 14:03:06,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:03:06,829 INFO L93 Difference]: Finished difference Result 276874 states and 1272607 transitions. [2022-03-15 14:03:06,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-15 14:03:06,829 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 9.244444444444444) internal successors, (416), 45 states have internal predecessors, (416), 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 173 [2022-03-15 14:03:06,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:03:09,303 INFO L225 Difference]: With dead ends: 276874 [2022-03-15 14:03:09,303 INFO L226 Difference]: Without dead ends: 271780 [2022-03-15 14:03:09,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 326 SyntacticMatches, 11 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2035 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1273, Invalid=6203, Unknown=6, NotChecked=0, Total=7482 [2022-03-15 14:03:09,305 INFO L933 BasicCegarLoop]: 386 mSDtfsCounter, 3668 mSDsluCounter, 6922 mSDsCounter, 0 mSdLazyCounter, 2204 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3668 SdHoareTripleChecker+Valid, 6720 SdHoareTripleChecker+Invalid, 3022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 2204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 564 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:03:09,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3668 Valid, 6720 Invalid, 3022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 2204 Invalid, 0 Unknown, 564 Unchecked, 1.2s Time] [2022-03-15 14:03:10,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271780 states. [2022-03-15 14:03:17,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271780 to 117033. [2022-03-15 14:03:17,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117033 states, 117032 states have (on average 4.664835258732654) internal successors, (545935), 117032 states have internal predecessors, (545935), 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) [2022-03-15 14:03:18,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117033 states to 117033 states and 545935 transitions. [2022-03-15 14:03:18,421 INFO L78 Accepts]: Start accepts. Automaton has 117033 states and 545935 transitions. Word has length 173 [2022-03-15 14:03:18,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:03:18,421 INFO L470 AbstractCegarLoop]: Abstraction has 117033 states and 545935 transitions. [2022-03-15 14:03:18,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 9.244444444444444) internal successors, (416), 45 states have internal predecessors, (416), 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) [2022-03-15 14:03:18,421 INFO L276 IsEmpty]: Start isEmpty. Operand 117033 states and 545935 transitions. [2022-03-15 14:03:18,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-03-15 14:03:18,833 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:03:18,833 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:03:18,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-15 14:03:19,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:03:19,035 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:03:19,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:03:19,035 INFO L85 PathProgramCache]: Analyzing trace with hash -255157569, now seen corresponding path program 2 times [2022-03-15 14:03:19,035 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:03:19,035 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844989146] [2022-03-15 14:03:19,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:03:19,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:03:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:03:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-15 14:03:19,420 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:03:19,420 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844989146] [2022-03-15 14:03:19,420 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844989146] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:03:19,420 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944170124] [2022-03-15 14:03:19,420 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 14:03:19,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:03:19,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:03:19,422 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) [2022-03-15 14:03:19,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-15 14:03:19,812 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 14:03:19,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 14:03:19,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 75 conjunts are in the unsatisfiable core [2022-03-15 14:03:19,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:03:21,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 14:03:21,245 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-03-15 14:03:21,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 14:03:21,493 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-03-15 14:03:21,733 INFO L353 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-03-15 14:03:21,734 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 23 treesize of output 10 [2022-03-15 14:03:21,914 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:03:21,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:03:22,447 INFO L353 Elim1Store]: treesize reduction 14, result has 22.2 percent of original size [2022-03-15 14:03:22,448 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 124 treesize of output 83 [2022-03-15 14:03:22,465 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 65 [2022-03-15 14:03:22,469 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 28 [2022-03-15 14:03:24,040 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:03:24,040 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944170124] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:03:24,040 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:03:24,040 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 29, 29] total 67 [2022-03-15 14:03:24,041 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772950089] [2022-03-15 14:03:24,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:03:24,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-03-15 14:03:24,041 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:03:24,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-03-15 14:03:24,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=389, Invalid=4028, Unknown=5, NotChecked=0, Total=4422 [2022-03-15 14:03:24,043 INFO L87 Difference]: Start difference. First operand 117033 states and 545935 transitions. Second operand has 67 states, 67 states have (on average 6.2388059701492535) internal successors, (418), 67 states have internal predecessors, (418), 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) [2022-03-15 14:03:37,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:03:37,572 INFO L93 Difference]: Finished difference Result 400579 states and 1832839 transitions. [2022-03-15 14:03:37,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-03-15 14:03:37,572 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 6.2388059701492535) internal successors, (418), 67 states have internal predecessors, (418), 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 173 [2022-03-15 14:03:37,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:03:41,340 INFO L225 Difference]: With dead ends: 400579 [2022-03-15 14:03:41,340 INFO L226 Difference]: Without dead ends: 373897 [2022-03-15 14:03:41,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 305 SyntacticMatches, 10 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 5520 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=3421, Invalid=16034, Unknown=5, NotChecked=0, Total=19460 [2022-03-15 14:03:41,344 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 7651 mSDsluCounter, 9422 mSDsCounter, 0 mSdLazyCounter, 3361 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7651 SdHoareTripleChecker+Valid, 8910 SdHoareTripleChecker+Invalid, 4673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 3361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 880 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 14:03:41,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7651 Valid, 8910 Invalid, 4673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [432 Valid, 3361 Invalid, 0 Unknown, 880 Unchecked, 1.8s Time] [2022-03-15 14:03:42,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373897 states. [2022-03-15 14:03:51,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373897 to 132833. [2022-03-15 14:03:52,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132833 states, 132832 states have (on average 4.638310045772103) internal successors, (616116), 132832 states have internal predecessors, (616116), 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) [2022-03-15 14:03:53,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132833 states to 132833 states and 616116 transitions. [2022-03-15 14:03:53,697 INFO L78 Accepts]: Start accepts. Automaton has 132833 states and 616116 transitions. Word has length 173 [2022-03-15 14:03:53,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:03:53,697 INFO L470 AbstractCegarLoop]: Abstraction has 132833 states and 616116 transitions. [2022-03-15 14:03:53,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 6.2388059701492535) internal successors, (418), 67 states have internal predecessors, (418), 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) [2022-03-15 14:03:53,697 INFO L276 IsEmpty]: Start isEmpty. Operand 132833 states and 616116 transitions. [2022-03-15 14:03:54,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-03-15 14:03:54,189 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:03:54,189 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:03:54,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-15 14:03:54,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:03:54,390 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:03:54,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:03:54,391 INFO L85 PathProgramCache]: Analyzing trace with hash 653013381, now seen corresponding path program 3 times [2022-03-15 14:03:54,391 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:03:54,391 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10247152] [2022-03-15 14:03:54,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:03:54,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:03:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:03:55,142 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-15 14:03:55,142 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:03:55,142 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10247152] [2022-03-15 14:03:55,142 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10247152] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:03:55,142 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15646812] [2022-03-15 14:03:55,142 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 14:03:55,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:03:55,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:03:55,148 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) [2022-03-15 14:03:55,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-15 14:03:55,382 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-15 14:03:55,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 14:03:55,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 60 conjunts are in the unsatisfiable core [2022-03-15 14:03:55,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:03:55,415 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 14:03:55,435 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-03-15 14:03:55,435 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-03-15 14:03:55,617 INFO L353 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-03-15 14:03:55,617 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2022-03-15 14:03:56,155 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-03-15 14:03:56,264 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-03-15 14:03:56,368 INFO L353 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-03-15 14:03:56,369 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 23 treesize of output 10 [2022-03-15 14:03:56,581 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-15 14:03:56,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:03:57,069 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 214 treesize of output 160 [2022-03-15 14:03:57,072 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 132 [2022-03-15 14:03:57,074 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 118 [2022-03-15 14:03:57,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 14:03:57,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 14:03:57,812 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-15 14:03:57,812 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15646812] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:03:57,812 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:03:57,812 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20, 20] total 39 [2022-03-15 14:03:57,813 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915489815] [2022-03-15 14:03:57,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:03:57,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-03-15 14:03:57,813 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:03:57,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-03-15 14:03:57,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=1298, Unknown=3, NotChecked=0, Total=1482 [2022-03-15 14:03:57,814 INFO L87 Difference]: Start difference. First operand 132833 states and 616116 transitions. Second operand has 39 states, 39 states have (on average 9.794871794871796) internal successors, (382), 39 states have internal predecessors, (382), 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) [2022-03-15 14:04:02,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:02,543 INFO L93 Difference]: Finished difference Result 211068 states and 980130 transitions. [2022-03-15 14:04:02,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-15 14:04:02,544 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 9.794871794871796) internal successors, (382), 39 states have internal predecessors, (382), 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 173 [2022-03-15 14:04:02,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:04,417 INFO L225 Difference]: With dead ends: 211068 [2022-03-15 14:04:04,417 INFO L226 Difference]: Without dead ends: 207256 [2022-03-15 14:04:04,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 334 SyntacticMatches, 9 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1372 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=858, Invalid=4541, Unknown=3, NotChecked=0, Total=5402 [2022-03-15 14:04:04,419 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 2664 mSDsluCounter, 5820 mSDsCounter, 0 mSdLazyCounter, 1858 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2664 SdHoareTripleChecker+Valid, 5605 SdHoareTripleChecker+Invalid, 2446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 1858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 427 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:04,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2664 Valid, 5605 Invalid, 2446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 1858 Invalid, 0 Unknown, 427 Unchecked, 0.9s Time] [2022-03-15 14:04:05,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207256 states. [2022-03-15 14:04:10,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207256 to 141034. [2022-03-15 14:04:10,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141034 states, 141033 states have (on average 4.656775364630973) internal successors, (656759), 141033 states have internal predecessors, (656759), 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) [2022-03-15 14:04:12,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141034 states to 141034 states and 656759 transitions. [2022-03-15 14:04:12,557 INFO L78 Accepts]: Start accepts. Automaton has 141034 states and 656759 transitions. Word has length 173 [2022-03-15 14:04:12,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:04:12,558 INFO L470 AbstractCegarLoop]: Abstraction has 141034 states and 656759 transitions. [2022-03-15 14:04:12,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 9.794871794871796) internal successors, (382), 39 states have internal predecessors, (382), 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) [2022-03-15 14:04:12,558 INFO L276 IsEmpty]: Start isEmpty. Operand 141034 states and 656759 transitions. [2022-03-15 14:04:13,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-03-15 14:04:13,541 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:04:13,541 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:04:13,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-15 14:04:13,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:04:13,756 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:04:13,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:04:13,757 INFO L85 PathProgramCache]: Analyzing trace with hash 74676469, now seen corresponding path program 4 times [2022-03-15 14:04:13,757 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:04:13,757 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402216724] [2022-03-15 14:04:13,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:04:13,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:04:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:04:14,420 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-15 14:04:14,420 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:04:14,420 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402216724] [2022-03-15 14:04:14,420 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402216724] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:04:14,420 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292716589] [2022-03-15 14:04:14,421 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-15 14:04:14,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:04:14,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:04:14,424 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) [2022-03-15 14:04:14,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-15 14:04:14,620 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-15 14:04:14,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 14:04:14,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 76 conjunts are in the unsatisfiable core [2022-03-15 14:04:14,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:04:14,672 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 14:04:14,993 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-15 14:04:14,994 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 11 [2022-03-15 14:04:16,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 14:04:16,315 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-03-15 14:04:16,445 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-03-15 14:04:16,584 INFO L353 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-03-15 14:04:16,584 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 23 treesize of output 10 [2022-03-15 14:04:16,875 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:16,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:04:17,334 INFO L353 Elim1Store]: treesize reduction 14, result has 22.2 percent of original size [2022-03-15 14:04:17,335 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 124 treesize of output 83 [2022-03-15 14:04:17,340 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 65 [2022-03-15 14:04:17,343 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 28 [2022-03-15 14:04:18,876 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-03-15 14:04:18,927 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:04:18,927 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292716589] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:04:18,927 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:04:18,927 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 28, 28] total 66 [2022-03-15 14:04:18,927 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171469267] [2022-03-15 14:04:18,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:04:18,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-03-15 14:04:18,928 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:04:18,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-03-15 14:04:18,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=358, Invalid=3929, Unknown=3, NotChecked=0, Total=4290 [2022-03-15 14:04:18,929 INFO L87 Difference]: Start difference. First operand 141034 states and 656759 transitions. Second operand has 66 states, 66 states have (on average 6.863636363636363) internal successors, (453), 66 states have internal predecessors, (453), 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) [2022-03-15 14:04:41,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:04:41,282 INFO L93 Difference]: Finished difference Result 594624 states and 2752207 transitions. [2022-03-15 14:04:41,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2022-03-15 14:04:41,283 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 6.863636363636363) internal successors, (453), 66 states have internal predecessors, (453), 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 173 [2022-03-15 14:04:41,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:04:48,268 INFO L225 Difference]: With dead ends: 594624 [2022-03-15 14:04:48,268 INFO L226 Difference]: Without dead ends: 577166 [2022-03-15 14:04:48,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 316 SyntacticMatches, 23 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 13366 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=5900, Invalid=33494, Unknown=8, NotChecked=0, Total=39402 [2022-03-15 14:04:48,282 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 9881 mSDsluCounter, 12547 mSDsCounter, 0 mSdLazyCounter, 4427 mSolverCounterSat, 653 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9881 SdHoareTripleChecker+Valid, 11660 SdHoareTripleChecker+Invalid, 6526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 653 IncrementalHoareTripleChecker+Valid, 4427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1446 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-03-15 14:04:48,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9881 Valid, 11660 Invalid, 6526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [653 Valid, 4427 Invalid, 0 Unknown, 1446 Unchecked, 2.3s Time] [2022-03-15 14:04:49,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577166 states. [2022-03-15 14:05:04,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577166 to 146458. [2022-03-15 14:05:04,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146458 states, 146457 states have (on average 4.663450705667875) internal successors, (682995), 146457 states have internal predecessors, (682995), 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) [2022-03-15 14:05:06,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146458 states to 146458 states and 682995 transitions. [2022-03-15 14:05:06,533 INFO L78 Accepts]: Start accepts. Automaton has 146458 states and 682995 transitions. Word has length 173 [2022-03-15 14:05:06,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:05:06,534 INFO L470 AbstractCegarLoop]: Abstraction has 146458 states and 682995 transitions. [2022-03-15 14:05:06,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 6.863636363636363) internal successors, (453), 66 states have internal predecessors, (453), 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) [2022-03-15 14:05:06,534 INFO L276 IsEmpty]: Start isEmpty. Operand 146458 states and 682995 transitions. [2022-03-15 14:05:07,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-03-15 14:05:07,111 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:05:07,111 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:05:07,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-15 14:05:07,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:05:07,326 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:05:07,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:05:07,327 INFO L85 PathProgramCache]: Analyzing trace with hash 2081832163, now seen corresponding path program 3 times [2022-03-15 14:05:07,327 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:05:07,327 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268829867] [2022-03-15 14:05:07,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:05:07,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:05:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:05:07,886 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-15 14:05:07,886 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:05:07,886 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268829867] [2022-03-15 14:05:07,887 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268829867] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:05:07,887 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285595410] [2022-03-15 14:05:07,887 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 14:05:07,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:05:07,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:05:07,888 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) [2022-03-15 14:05:07,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-15 14:05:08,022 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-15 14:05:08,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 14:05:08,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 60 conjunts are in the unsatisfiable core [2022-03-15 14:05:08,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:05:08,054 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 14:05:08,078 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-03-15 14:05:08,079 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-03-15 14:05:08,630 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-15 14:05:08,630 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 15 treesize of output 15 [2022-03-15 14:05:09,319 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-03-15 14:05:09,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 14:05:09,437 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-03-15 14:05:09,602 INFO L353 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-03-15 14:05:09,602 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 23 treesize of output 10 [2022-03-15 14:05:09,804 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-15 14:05:09,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:05:10,207 WARN L838 $PredicateComparison]: unable to prove that (or (<= c_~i1~0 c_~i2~0) (<= (+ 2 c_~i2~0) c_~i1~0) (and (forall ((v_ArrVal_447 (Array Int Int))) (<= (+ c_~t21~0 c_~s1~0) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_447) c_~x~0.base) (+ c_~x~0.offset 4 (* c_~i2~0 4))) c_~s2~0))) (forall ((v_ArrVal_447 (Array Int Int))) (<= (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_447) c_~x~0.base) (+ c_~x~0.offset 4 (* c_~i2~0 4))) c_~s2~0) (+ c_~t21~0 c_~s1~0))))) is different from false [2022-03-15 14:05:10,277 WARN L838 $PredicateComparison]: unable to prove that (or (<= c_~i1~0 c_~i2~0) (<= (+ 2 c_~i2~0) c_~i1~0) (and (forall ((v_ArrVal_447 (Array Int Int)) (v_ArrVal_446 (Array Int Int))) (<= (+ c_~t21~0 c_~s1~0) (+ (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_446) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_447) c_~x~0.base) (+ c_~x~0.offset 4 (* c_~i2~0 4))) c_~s2~0))) (forall ((v_ArrVal_447 (Array Int Int)) (v_ArrVal_446 (Array Int Int))) (<= (+ (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_446) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_447) c_~x~0.base) (+ c_~x~0.offset 4 (* c_~i2~0 4))) c_~s2~0) (+ c_~t21~0 c_~s1~0))))) is different from false [2022-03-15 14:05:10,341 INFO L353 Elim1Store]: treesize reduction 14, result has 22.2 percent of original size [2022-03-15 14:05:10,341 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 124 treesize of output 83 [2022-03-15 14:05:10,346 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 61 [2022-03-15 14:05:10,355 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 28 [2022-03-15 14:05:10,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 14:05:10,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 14:05:10,385 INFO L353 Elim1Store]: treesize reduction 14, result has 22.2 percent of original size [2022-03-15 14:05:10,386 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2022-03-15 14:05:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 1 not checked. [2022-03-15 14:05:11,475 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285595410] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:05:11,475 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:05:11,475 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20, 20] total 49 [2022-03-15 14:05:11,476 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790197972] [2022-03-15 14:05:11,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:05:11,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-03-15 14:05:11,476 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:05:11,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-03-15 14:05:11,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=1981, Unknown=2, NotChecked=182, Total=2352 [2022-03-15 14:05:11,477 INFO L87 Difference]: Start difference. First operand 146458 states and 682995 transitions. Second operand has 49 states, 49 states have (on average 8.591836734693878) internal successors, (421), 49 states have internal predecessors, (421), 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) [2022-03-15 14:05:21,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:05:21,045 INFO L93 Difference]: Finished difference Result 259608 states and 1201721 transitions. [2022-03-15 14:05:21,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-15 14:05:21,046 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 8.591836734693878) internal successors, (421), 49 states have internal predecessors, (421), 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 173 [2022-03-15 14:05:21,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:05:23,612 INFO L225 Difference]: With dead ends: 259608 [2022-03-15 14:05:23,612 INFO L226 Difference]: Without dead ends: 253778 [2022-03-15 14:05:23,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 315 SyntacticMatches, 11 SemanticMatches, 86 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1478 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=1223, Invalid=6093, Unknown=2, NotChecked=338, Total=7656 [2022-03-15 14:05:23,614 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 3399 mSDsluCounter, 5870 mSDsCounter, 0 mSdLazyCounter, 2013 mSolverCounterSat, 294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3399 SdHoareTripleChecker+Valid, 5704 SdHoareTripleChecker+Invalid, 3242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 294 IncrementalHoareTripleChecker+Valid, 2013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 935 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:05:23,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3399 Valid, 5704 Invalid, 3242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [294 Valid, 2013 Invalid, 0 Unknown, 935 Unchecked, 1.2s Time] [2022-03-15 14:05:24,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253778 states. [2022-03-15 14:05:31,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253778 to 156394. [2022-03-15 14:05:31,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156394 states, 156393 states have (on average 4.67388565984411) internal successors, (730963), 156393 states have internal predecessors, (730963), 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) [2022-03-15 14:05:33,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156394 states to 156394 states and 730963 transitions. [2022-03-15 14:05:33,236 INFO L78 Accepts]: Start accepts. Automaton has 156394 states and 730963 transitions. Word has length 173 [2022-03-15 14:05:33,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:05:33,237 INFO L470 AbstractCegarLoop]: Abstraction has 156394 states and 730963 transitions. [2022-03-15 14:05:33,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 8.591836734693878) internal successors, (421), 49 states have internal predecessors, (421), 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) [2022-03-15 14:05:33,237 INFO L276 IsEmpty]: Start isEmpty. Operand 156394 states and 730963 transitions. [2022-03-15 14:05:34,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-03-15 14:05:34,208 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:05:34,208 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:05:34,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-15 14:05:34,411 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,SelfDestructingSolverStorable11 [2022-03-15 14:05:34,412 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:05:34,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:05:34,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1787677743, now seen corresponding path program 4 times [2022-03-15 14:05:34,412 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:05:34,412 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142077594] [2022-03-15 14:05:34,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:05:34,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:05:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:05:34,846 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-15 14:05:34,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:05:34,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142077594] [2022-03-15 14:05:34,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142077594] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:05:34,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513791966] [2022-03-15 14:05:34,846 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-15 14:05:34,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:05:34,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:05:34,848 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) [2022-03-15 14:05:34,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-15 14:05:34,966 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-15 14:05:34,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 14:05:34,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 61 conjunts are in the unsatisfiable core [2022-03-15 14:05:34,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:05:36,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 14:05:36,059 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-03-15 14:05:36,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 14:05:36,164 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-03-15 14:05:36,297 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:05:36,297 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 23 treesize of output 23 [2022-03-15 14:05:36,530 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 14:05:36,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:05:36,786 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_493 (Array Int Int))) (<= (+ c_~t21~0 c_~s1~0) (+ c_~s2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_493) c_~x~0.base) (+ c_~x~0.offset (* c_~i1~0 4)))))) (forall ((v_ArrVal_493 (Array Int Int))) (<= (+ c_~s2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_493) c_~x~0.base) (+ c_~x~0.offset (* c_~i1~0 4)))) (+ c_~t21~0 c_~s1~0)))) is different from false [2022-03-15 14:05:36,825 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_492 (Array Int Int)) (v_ArrVal_493 (Array Int Int))) (<= (+ c_~t21~0 c_~s1~0) (+ (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_492) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_493) c_~x~0.base) (+ c_~x~0.offset (* c_~i1~0 4))) c_~s2~0))) (forall ((v_ArrVal_492 (Array Int Int)) (v_ArrVal_493 (Array Int Int))) (<= (+ (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_492) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_493) c_~x~0.base) (+ c_~x~0.offset (* c_~i1~0 4))) c_~s2~0) (+ c_~t21~0 c_~s1~0)))) is different from false [2022-03-15 14:05:36,852 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 75 [2022-03-15 14:05:36,853 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 61 [2022-03-15 14:05:36,856 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 28 [2022-03-15 14:05:36,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 14:05:36,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 14:05:37,564 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 1 not checked. [2022-03-15 14:05:37,564 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513791966] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:05:37,565 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:05:37,565 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 20] total 47 [2022-03-15 14:05:37,565 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690100119] [2022-03-15 14:05:37,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:05:37,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-03-15 14:05:37,565 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:05:37,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-03-15 14:05:37,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=1803, Unknown=2, NotChecked=174, Total=2162 [2022-03-15 14:05:37,566 INFO L87 Difference]: Start difference. First operand 156394 states and 730963 transitions. Second operand has 47 states, 47 states have (on average 7.574468085106383) internal successors, (356), 47 states have internal predecessors, (356), 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) [2022-03-15 14:05:43,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:05:43,159 INFO L93 Difference]: Finished difference Result 318935 states and 1482822 transitions. [2022-03-15 14:05:43,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-15 14:05:43,160 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 7.574468085106383) internal successors, (356), 47 states have internal predecessors, (356), 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 173 [2022-03-15 14:05:43,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:05:46,834 INFO L225 Difference]: With dead ends: 318935 [2022-03-15 14:05:46,834 INFO L226 Difference]: Without dead ends: 317029 [2022-03-15 14:05:46,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 319 SyntacticMatches, 8 SemanticMatches, 70 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 1255 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=667, Invalid=4169, Unknown=2, NotChecked=274, Total=5112 [2022-03-15 14:05:46,835 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 2740 mSDsluCounter, 4622 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2740 SdHoareTripleChecker+Valid, 4515 SdHoareTripleChecker+Invalid, 2375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1103 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 14:05:46,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2740 Valid, 4515 Invalid, 2375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 1132 Invalid, 0 Unknown, 1103 Unchecked, 0.6s Time] [2022-03-15 14:05:47,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317029 states. [2022-03-15 14:05:57,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317029 to 157286. [2022-03-15 14:05:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157286 states, 157285 states have (on average 4.6733636392535844) internal successors, (735050), 157285 states have internal predecessors, (735050), 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) [2022-03-15 14:06:00,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157286 states to 157286 states and 735050 transitions. [2022-03-15 14:06:00,509 INFO L78 Accepts]: Start accepts. Automaton has 157286 states and 735050 transitions. Word has length 173 [2022-03-15 14:06:00,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:06:00,510 INFO L470 AbstractCegarLoop]: Abstraction has 157286 states and 735050 transitions. [2022-03-15 14:06:00,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 7.574468085106383) internal successors, (356), 47 states have internal predecessors, (356), 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) [2022-03-15 14:06:00,510 INFO L276 IsEmpty]: Start isEmpty. Operand 157286 states and 735050 transitions. [2022-03-15 14:06:01,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-03-15 14:06:01,950 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:06:01,950 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:06:01,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-03-15 14:06:02,163 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,SelfDestructingSolverStorable12 [2022-03-15 14:06:02,164 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:06:02,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:06:02,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1367633719, now seen corresponding path program 5 times [2022-03-15 14:06:02,166 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:06:02,166 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622301829] [2022-03-15 14:06:02,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:06:02,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:06:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:06:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:06:03,106 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:06:03,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622301829] [2022-03-15 14:06:03,107 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622301829] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:06:03,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630526336] [2022-03-15 14:06:03,107 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-15 14:06:03,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:06:03,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:06:03,108 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) [2022-03-15 14:06:03,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-15 14:06:03,235 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-03-15 14:06:03,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 14:06:03,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-15 14:06:03,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:06:03,294 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 14:06:03,568 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-15 14:06:03,568 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 11 [2022-03-15 14:06:04,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 14:06:04,852 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-03-15 14:06:05,062 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-03-15 14:06:05,323 INFO L353 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-03-15 14:06:05,324 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 23 treesize of output 10 [2022-03-15 14:06:05,652 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:06:05,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:06:06,203 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 79 [2022-03-15 14:06:06,207 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2022-03-15 14:06:06,209 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 58 [2022-03-15 14:06:07,885 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-03-15 14:06:07,955 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:06:07,956 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630526336] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:06:07,956 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:06:07,956 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 28, 28] total 74 [2022-03-15 14:06:07,956 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202675821] [2022-03-15 14:06:07,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:06:07,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2022-03-15 14:06:07,957 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:06:07,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2022-03-15 14:06:07,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=421, Invalid=4978, Unknown=3, NotChecked=0, Total=5402 [2022-03-15 14:06:07,958 INFO L87 Difference]: Start difference. First operand 157286 states and 735050 transitions. Second operand has 74 states, 74 states have (on average 6.256756756756757) internal successors, (463), 74 states have internal predecessors, (463), 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)