/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/popl20-three-array-max.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 14:32:29,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 14:32:29,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 14:32:29,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-15 14:32:29,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 14:32:29,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 14:32:29,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 14:32:29,926 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 14:32:29,950 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 14:32:29,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 14:32:29,951 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 14:32:29,951 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 14:32:29,952 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 14:32:29,952 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 14:32:29,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 14:32:29,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 14:32:29,952 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 14:32:29,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 14:32:29,953 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 14:32:29,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 14:32:29,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 14:32:29,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 14:32:29,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 14:32:29,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 14:32:29,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 14:32:29,954 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 14:32:29,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 14:32:29,954 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 14:32:29,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 14:32:29,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 14:32:29,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 14:32:29,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 14:32:29,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 14:32:29,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 14:32:29,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 14:32:29,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 14:32:29,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 14:32:29,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 14:32:29,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 14:32:29,955 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 14:32:29,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 14:32:29,956 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 14:32:30,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 14:32:30,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 14:32:30,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 14:32:30,158 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 14:32:30,158 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 14:32:30,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c [2022-03-15 14:32:30,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/facaa13bb/9e7cf18b174447978550cf2acbc15ed1/FLAG0ca3c17bf [2022-03-15 14:32:30,555 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 14:32:30,555 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c [2022-03-15 14:32:30,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/facaa13bb/9e7cf18b174447978550cf2acbc15ed1/FLAG0ca3c17bf [2022-03-15 14:32:30,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/facaa13bb/9e7cf18b174447978550cf2acbc15ed1 [2022-03-15 14:32:30,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 14:32:30,990 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 14:32:31,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 14:32:31,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 14:32:31,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 14:32:31,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 02:32:30" (1/1) ... [2022-03-15 14:32:31,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9ab27b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:32:31, skipping insertion in model container [2022-03-15 14:32:31,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 02:32:30" (1/1) ... [2022-03-15 14:32:31,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 14:32:31,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 14:32:31,177 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/popl20-three-array-max.wvr.c[2823,2836] [2022-03-15 14:32:31,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 14:32:31,188 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 14:32:31,205 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/popl20-three-array-max.wvr.c[2823,2836] [2022-03-15 14:32:31,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 14:32:31,239 INFO L208 MainTranslator]: Completed translation [2022-03-15 14:32:31,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:32:31 WrapperNode [2022-03-15 14:32:31,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 14:32:31,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 14:32:31,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 14:32:31,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 14:32:31,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:32:31" (1/1) ... [2022-03-15 14:32:31,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:32:31" (1/1) ... [2022-03-15 14:32:31,272 INFO L137 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 232 [2022-03-15 14:32:31,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 14:32:31,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 14:32:31,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 14:32:31,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 14:32:31,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:32:31" (1/1) ... [2022-03-15 14:32:31,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:32:31" (1/1) ... [2022-03-15 14:32:31,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:32:31" (1/1) ... [2022-03-15 14:32:31,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:32:31" (1/1) ... [2022-03-15 14:32:31,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:32:31" (1/1) ... [2022-03-15 14:32:31,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:32:31" (1/1) ... [2022-03-15 14:32:31,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:32:31" (1/1) ... [2022-03-15 14:32:31,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 14:32:31,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 14:32:31,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 14:32:31,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 14:32:31,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:32:31" (1/1) ... [2022-03-15 14:32:31,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 14:32:31,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:32:31,326 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 14:32:31,343 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 14:32:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 14:32:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 14:32:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 14:32:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 14:32:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 14:32:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 14:32:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 14:32:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 14:32:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-15 14:32:31,363 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-15 14:32:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 14:32:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-15 14:32:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-15 14:32:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-15 14:32:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 14:32:31,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 14:32:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 14:32:31,364 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 14:32:31,440 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 14:32:31,441 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 14:32:31,719 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 14:32:31,797 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 14:32:31,797 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-03-15 14:32:31,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 02:32:31 BoogieIcfgContainer [2022-03-15 14:32:31,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 14:32:31,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 14:32:31,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 14:32:31,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 14:32:31,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 02:32:30" (1/3) ... [2022-03-15 14:32:31,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a9b181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 02:32:31, skipping insertion in model container [2022-03-15 14:32:31,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:32:31" (2/3) ... [2022-03-15 14:32:31,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a9b181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 02:32:31, skipping insertion in model container [2022-03-15 14:32:31,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 02:32:31" (3/3) ... [2022-03-15 14:32:31,821 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-three-array-max.wvr.c [2022-03-15 14:32:31,825 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 14:32:31,826 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 14:32:31,826 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 14:32:31,826 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 14:32:31,871 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,872 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,872 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,872 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,873 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,873 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,873 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,873 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,873 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,873 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,874 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,874 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,874 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,874 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,874 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,875 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,875 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,875 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,876 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,876 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,876 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,876 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,876 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,876 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,878 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,878 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,879 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,879 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,879 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,879 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,879 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,879 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,879 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,880 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,881 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,881 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,881 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,881 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,881 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,883 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,884 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,884 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,884 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,885 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,885 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,886 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,886 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,886 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,886 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,887 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,887 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,887 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,887 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,887 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,887 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,888 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,888 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,888 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,889 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,889 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,889 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,889 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,889 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,889 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,889 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,890 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,890 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,890 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,890 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,890 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,890 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,890 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,890 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,890 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,892 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,892 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,893 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,893 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,893 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,894 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,896 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,900 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,900 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,900 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,900 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,902 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,902 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,903 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,903 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,903 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,903 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,904 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,904 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,904 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,904 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,904 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,905 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,905 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,905 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,906 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,906 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,906 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,906 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,912 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,912 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,912 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,913 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,913 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,913 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,914 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,914 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,915 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,915 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,915 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,915 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,915 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,915 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,915 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,915 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,916 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,916 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,920 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,921 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,922 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,926 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,926 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,927 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,927 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,927 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,927 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:32:31,935 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-15 14:32:31,965 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 14:32:31,971 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 14:32:31,971 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-15 14:32:31,983 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 298 places, 315 transitions, 654 flow [2022-03-15 14:32:32,334 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 10576 states, 10575 states have (on average 3.9557446808510637) internal successors, (41832), 10575 states have internal predecessors, (41832), 0 states have call successors, (0), 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 14:32:32,408 INFO L276 IsEmpty]: Start isEmpty. Operand has 10576 states, 10575 states have (on average 3.9557446808510637) internal successors, (41832), 10575 states have internal predecessors, (41832), 0 states have call successors, (0), 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 14:32:32,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-03-15 14:32:32,475 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:32:32,476 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:32,477 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:32:32,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:32:32,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1349124251, now seen corresponding path program 1 times [2022-03-15 14:32:32,493 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:32:32,493 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290571659] [2022-03-15 14:32:32,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:32:32,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:32:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:32:32,749 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 14:32:32,749 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:32:32,749 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290571659] [2022-03-15 14:32:32,749 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290571659] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:32:32,750 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:32:32,750 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 14:32:32,751 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791933203] [2022-03-15 14:32:32,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:32:32,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-15 14:32:32,755 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:32:32,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-15 14:32:32,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-15 14:32:32,799 INFO L87 Difference]: Start difference. First operand has 10576 states, 10575 states have (on average 3.9557446808510637) internal successors, (41832), 10575 states have internal predecessors, (41832), 0 states have call successors, (0), 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 108.5) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 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 14:32:33,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:32:33,016 INFO L93 Difference]: Finished difference Result 10576 states and 39406 transitions. [2022-03-15 14:32:33,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-15 14:32:33,018 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 108.5) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-03-15 14:32:33,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:32:33,100 INFO L225 Difference]: With dead ends: 10576 [2022-03-15 14:32:33,101 INFO L226 Difference]: Without dead ends: 10564 [2022-03-15 14:32:33,102 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 14:32:33,104 INFO L933 BasicCegarLoop]: 275 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:32:33,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 275 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 14:32:33,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10564 states. [2022-03-15 14:32:33,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10564 to 10564. [2022-03-15 14:32:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10564 states, 10563 states have (on average 3.7294329262520116) internal successors, (39394), 10563 states have internal predecessors, (39394), 0 states have call successors, (0), 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 14:32:33,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10564 states to 10564 states and 39394 transitions. [2022-03-15 14:32:33,668 INFO L78 Accepts]: Start accepts. Automaton has 10564 states and 39394 transitions. Word has length 217 [2022-03-15 14:32:33,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:32:33,670 INFO L470 AbstractCegarLoop]: Abstraction has 10564 states and 39394 transitions. [2022-03-15 14:32:33,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 108.5) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 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 14:32:33,670 INFO L276 IsEmpty]: Start isEmpty. Operand 10564 states and 39394 transitions. [2022-03-15 14:32:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-03-15 14:32:33,722 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:32:33,722 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:33,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 14:32:33,723 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:32:33,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:32:33,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1836461833, now seen corresponding path program 1 times [2022-03-15 14:32:33,725 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:32:33,725 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340166277] [2022-03-15 14:32:33,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:32:33,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:32:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:32:34,030 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 14:32:34,031 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:32:34,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340166277] [2022-03-15 14:32:34,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340166277] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:32:34,031 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:32:34,031 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 14:32:34,031 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945244978] [2022-03-15 14:32:34,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:32:34,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 14:32:34,033 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:32:34,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 14:32:34,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-03-15 14:32:34,037 INFO L87 Difference]: Start difference. First operand 10564 states and 39394 transitions. Second operand has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 0 states have call successors, (0), 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 14:32:34,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:32:34,280 INFO L93 Difference]: Finished difference Result 10582 states and 39412 transitions. [2022-03-15 14:32:34,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 14:32:34,281 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-03-15 14:32:34,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:32:34,345 INFO L225 Difference]: With dead ends: 10582 [2022-03-15 14:32:34,345 INFO L226 Difference]: Without dead ends: 10582 [2022-03-15 14:32:34,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=59, Unknown=0, NotChecked=0, Total=110 [2022-03-15 14:32:34,347 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 1012 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1012 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:32:34,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1012 Valid, 470 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 14:32:34,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10582 states. [2022-03-15 14:32:34,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10582 to 10567. [2022-03-15 14:32:34,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10567 states, 10566 states have (on average 3.7286579594927125) internal successors, (39397), 10566 states have internal predecessors, (39397), 0 states have call successors, (0), 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 14:32:34,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10567 states to 10567 states and 39397 transitions. [2022-03-15 14:32:34,678 INFO L78 Accepts]: Start accepts. Automaton has 10567 states and 39397 transitions. Word has length 217 [2022-03-15 14:32:34,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:32:34,680 INFO L470 AbstractCegarLoop]: Abstraction has 10567 states and 39397 transitions. [2022-03-15 14:32:34,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 0 states have call successors, (0), 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 14:32:34,680 INFO L276 IsEmpty]: Start isEmpty. Operand 10567 states and 39397 transitions. [2022-03-15 14:32:34,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-03-15 14:32:34,706 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:32:34,706 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:34,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 14:32:34,706 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:32:34,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:32:34,707 INFO L85 PathProgramCache]: Analyzing trace with hash 113211676, now seen corresponding path program 1 times [2022-03-15 14:32:34,707 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:32:34,707 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125660626] [2022-03-15 14:32:34,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:32:34,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:32:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:32:35,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:32:35,190 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:32:35,190 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125660626] [2022-03-15 14:32:35,190 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125660626] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:32:35,191 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:32:35,191 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-15 14:32:35,191 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827421460] [2022-03-15 14:32:35,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:32:35,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 14:32:35,191 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:32:35,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 14:32:35,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=379, Unknown=0, NotChecked=0, Total=420 [2022-03-15 14:32:35,193 INFO L87 Difference]: Start difference. First operand 10567 states and 39397 transitions. Second operand has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 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 14:32:36,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:32:36,376 INFO L93 Difference]: Finished difference Result 30351 states and 116048 transitions. [2022-03-15 14:32:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-15 14:32:36,376 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 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 238 [2022-03-15 14:32:36,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:32:36,504 INFO L225 Difference]: With dead ends: 30351 [2022-03-15 14:32:36,504 INFO L226 Difference]: Without dead ends: 29909 [2022-03-15 14:32:36,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=379, Invalid=1691, Unknown=0, NotChecked=0, Total=2070 [2022-03-15 14:32:36,510 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 1287 mSDsluCounter, 4161 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 4277 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 14:32:36,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1287 Valid, 4277 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 14:32:36,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29909 states. [2022-03-15 14:32:37,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29909 to 14635. [2022-03-15 14:32:37,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14635 states, 14634 states have (on average 3.761445947792811) internal successors, (55045), 14634 states have internal predecessors, (55045), 0 states have call successors, (0), 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 14:32:37,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14635 states to 14635 states and 55045 transitions. [2022-03-15 14:32:37,278 INFO L78 Accepts]: Start accepts. Automaton has 14635 states and 55045 transitions. Word has length 238 [2022-03-15 14:32:37,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:32:37,279 INFO L470 AbstractCegarLoop]: Abstraction has 14635 states and 55045 transitions. [2022-03-15 14:32:37,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 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 14:32:37,280 INFO L276 IsEmpty]: Start isEmpty. Operand 14635 states and 55045 transitions. [2022-03-15 14:32:37,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-03-15 14:32:37,320 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:32:37,320 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:37,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 14:32:37,320 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:32:37,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:32:37,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1545850835, now seen corresponding path program 1 times [2022-03-15 14:32:37,322 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:32:37,322 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263641910] [2022-03-15 14:32:37,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:32:37,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:32:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:32:37,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 14:32:37,604 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:32:37,604 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263641910] [2022-03-15 14:32:37,604 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263641910] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:32:37,604 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648498654] [2022-03-15 14:32:37,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:32:37,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:32:37,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:32:37,628 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 14:32:37,639 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 14:32:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:32:37,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-15 14:32:37,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:32:38,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 14:32:38,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:32:38,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 14:32:38,731 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648498654] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:32:38,731 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:32:38,731 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-03-15 14:32:38,732 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877606054] [2022-03-15 14:32:38,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:32:38,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:32:38,732 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:32:38,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:32:38,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:32:38,734 INFO L87 Difference]: Start difference. First operand 14635 states and 55045 transitions. Second operand has 19 states, 19 states have (on average 15.052631578947368) internal successors, (286), 19 states have internal predecessors, (286), 0 states have call successors, (0), 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 14:32:39,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:32:39,577 INFO L93 Difference]: Finished difference Result 31496 states and 112839 transitions. [2022-03-15 14:32:39,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-15 14:32:39,577 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 15.052631578947368) internal successors, (286), 19 states have internal predecessors, (286), 0 states have call successors, (0), 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 245 [2022-03-15 14:32:39,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:32:39,724 INFO L225 Difference]: With dead ends: 31496 [2022-03-15 14:32:39,724 INFO L226 Difference]: Without dead ends: 30584 [2022-03-15 14:32:39,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 481 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=335, Invalid=855, Unknown=0, NotChecked=0, Total=1190 [2022-03-15 14:32:39,730 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 2317 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2317 SdHoareTripleChecker+Valid, 3014 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 14:32:39,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2317 Valid, 3014 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 14:32:39,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30584 states. [2022-03-15 14:32:40,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30584 to 19052. [2022-03-15 14:32:40,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19052 states, 19051 states have (on average 3.6792294367749725) internal successors, (70093), 19051 states have internal predecessors, (70093), 0 states have call successors, (0), 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 14:32:40,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19052 states to 19052 states and 70093 transitions. [2022-03-15 14:32:40,409 INFO L78 Accepts]: Start accepts. Automaton has 19052 states and 70093 transitions. Word has length 245 [2022-03-15 14:32:40,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:32:40,409 INFO L470 AbstractCegarLoop]: Abstraction has 19052 states and 70093 transitions. [2022-03-15 14:32:40,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.052631578947368) internal successors, (286), 19 states have internal predecessors, (286), 0 states have call successors, (0), 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 14:32:40,409 INFO L276 IsEmpty]: Start isEmpty. Operand 19052 states and 70093 transitions. [2022-03-15 14:32:40,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-03-15 14:32:40,461 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:32:40,461 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:40,478 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 14:32:40,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:32:40,678 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:32:40,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:32:40,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1991886226, now seen corresponding path program 1 times [2022-03-15 14:32:40,679 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:32:40,679 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981541105] [2022-03-15 14:32:40,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:32:40,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:32:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:32:40,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 14:32:40,762 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:32:40,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981541105] [2022-03-15 14:32:40,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981541105] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:32:40,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395008852] [2022-03-15 14:32:40,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:32:40,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:32:40,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:32:40,788 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 14:32:40,789 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 14:32:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:32:40,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-15 14:32:40,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:32:41,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 14:32:41,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:32:41,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 14:32:41,831 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395008852] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:32:41,831 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:32:41,831 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-03-15 14:32:41,831 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186514074] [2022-03-15 14:32:41,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:32:41,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:32:41,831 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:32:41,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:32:41,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:32:41,832 INFO L87 Difference]: Start difference. First operand 19052 states and 70093 transitions. Second operand has 19 states, 19 states have (on average 15.368421052631579) internal successors, (292), 19 states have internal predecessors, (292), 0 states have call successors, (0), 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 14:32:42,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:32:42,471 INFO L93 Difference]: Finished difference Result 15820 states and 58049 transitions. [2022-03-15 14:32:42,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-15 14:32:42,471 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 15.368421052631579) internal successors, (292), 19 states have internal predecessors, (292), 0 states have call successors, (0), 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 251 [2022-03-15 14:32:42,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:32:42,513 INFO L225 Difference]: With dead ends: 15820 [2022-03-15 14:32:42,513 INFO L226 Difference]: Without dead ends: 14671 [2022-03-15 14:32:42,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=335, Invalid=855, Unknown=0, NotChecked=0, Total=1190 [2022-03-15 14:32:42,514 INFO L933 BasicCegarLoop]: 256 mSDtfsCounter, 2775 mSDsluCounter, 1697 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2775 SdHoareTripleChecker+Valid, 1879 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 14:32:42,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2775 Valid, 1879 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 14:32:42,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14671 states. [2022-03-15 14:32:42,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14671 to 14656. [2022-03-15 14:32:42,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14656 states, 14655 states have (on average 3.7574889116342547) internal successors, (55066), 14655 states have internal predecessors, (55066), 0 states have call successors, (0), 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 14:32:42,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14656 states to 14656 states and 55066 transitions. [2022-03-15 14:32:42,903 INFO L78 Accepts]: Start accepts. Automaton has 14656 states and 55066 transitions. Word has length 251 [2022-03-15 14:32:42,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:32:42,903 INFO L470 AbstractCegarLoop]: Abstraction has 14656 states and 55066 transitions. [2022-03-15 14:32:42,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.368421052631579) internal successors, (292), 19 states have internal predecessors, (292), 0 states have call successors, (0), 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 14:32:42,904 INFO L276 IsEmpty]: Start isEmpty. Operand 14656 states and 55066 transitions. [2022-03-15 14:32:42,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-03-15 14:32:42,939 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:32:42,939 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:42,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 14:32:43,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:32:43,156 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:32:43,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:32:43,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1049585518, now seen corresponding path program 2 times [2022-03-15 14:32:43,157 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:32:43,157 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110161382] [2022-03-15 14:32:43,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:32:43,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:32:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:32:43,293 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-15 14:32:43,293 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:32:43,293 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110161382] [2022-03-15 14:32:43,294 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110161382] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:32:43,294 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476913938] [2022-03-15 14:32:43,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 14:32:43,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:32:43,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:32:43,297 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 14:32:43,298 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 14:32:43,417 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 14:32:43,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 14:32:43,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-15 14:32:43,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:32:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-15 14:32:43,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:32:44,201 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-15 14:32:44,201 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476913938] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 14:32:44,201 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 14:32:44,202 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 19 [2022-03-15 14:32:44,202 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741169333] [2022-03-15 14:32:44,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:32:44,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 14:32:44,202 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:32:44,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 14:32:44,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:32:44,203 INFO L87 Difference]: Start difference. First operand 14656 states and 55066 transitions. Second operand has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 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 14:32:44,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:32:44,424 INFO L93 Difference]: Finished difference Result 15328 states and 57607 transitions. [2022-03-15 14:32:44,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 14:32:44,425 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 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 266 [2022-03-15 14:32:44,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:32:44,467 INFO L225 Difference]: With dead ends: 15328 [2022-03-15 14:32:44,467 INFO L226 Difference]: Without dead ends: 15328 [2022-03-15 14:32:44,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 545 GetRequests, 520 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2022-03-15 14:32:44,475 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 1110 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1110 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:32:44,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1110 Valid, 703 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 14:32:44,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15328 states. [2022-03-15 14:32:44,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15328 to 15220. [2022-03-15 14:32:44,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15220 states, 15219 states have (on average 3.760956698863263) internal successors, (57238), 15219 states have internal predecessors, (57238), 0 states have call successors, (0), 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 14:32:44,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15220 states to 15220 states and 57238 transitions. [2022-03-15 14:32:44,946 INFO L78 Accepts]: Start accepts. Automaton has 15220 states and 57238 transitions. Word has length 266 [2022-03-15 14:32:44,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:32:44,946 INFO L470 AbstractCegarLoop]: Abstraction has 15220 states and 57238 transitions. [2022-03-15 14:32:44,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 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 14:32:44,946 INFO L276 IsEmpty]: Start isEmpty. Operand 15220 states and 57238 transitions. [2022-03-15 14:32:44,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-03-15 14:32:44,978 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:32:44,978 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:44,996 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 14:32:45,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:32:45,183 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:32:45,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:32:45,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1899887853, now seen corresponding path program 2 times [2022-03-15 14:32:45,183 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:32:45,183 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620454728] [2022-03-15 14:32:45,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:32:45,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:32:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:32:45,284 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-15 14:32:45,284 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:32:45,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620454728] [2022-03-15 14:32:45,284 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620454728] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:32:45,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406409251] [2022-03-15 14:32:45,284 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 14:32:45,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:32:45,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:32:45,303 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 14:32:45,321 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 14:32:45,426 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 14:32:45,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 14:32:45,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-15 14:32:45,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:32:45,862 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-15 14:32:45,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:32:46,218 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-15 14:32:46,219 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406409251] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 14:32:46,219 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 14:32:46,219 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 19 [2022-03-15 14:32:46,219 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150849698] [2022-03-15 14:32:46,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:32:46,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 14:32:46,219 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:32:46,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 14:32:46,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:32:46,220 INFO L87 Difference]: Start difference. First operand 15220 states and 57238 transitions. Second operand has 9 states, 9 states have (on average 28.666666666666668) internal successors, (258), 9 states have internal predecessors, (258), 0 states have call successors, (0), 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 14:32:46,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:32:46,416 INFO L93 Difference]: Finished difference Result 16857 states and 63511 transitions. [2022-03-15 14:32:46,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 14:32:46,416 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 28.666666666666668) internal successors, (258), 9 states have internal predecessors, (258), 0 states have call successors, (0), 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 272 [2022-03-15 14:32:46,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:32:46,460 INFO L225 Difference]: With dead ends: 16857 [2022-03-15 14:32:46,461 INFO L226 Difference]: Without dead ends: 16857 [2022-03-15 14:32:46,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 557 GetRequests, 532 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2022-03-15 14:32:46,462 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 1089 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:32:46,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1089 Valid, 736 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 14:32:46,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16857 states. [2022-03-15 14:32:46,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16857 to 16857. [2022-03-15 14:32:46,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16857 states, 16856 states have (on average 3.767857142857143) internal successors, (63511), 16856 states have internal predecessors, (63511), 0 states have call successors, (0), 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 14:32:46,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16857 states to 16857 states and 63511 transitions. [2022-03-15 14:32:46,843 INFO L78 Accepts]: Start accepts. Automaton has 16857 states and 63511 transitions. Word has length 272 [2022-03-15 14:32:46,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:32:46,843 INFO L470 AbstractCegarLoop]: Abstraction has 16857 states and 63511 transitions. [2022-03-15 14:32:46,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.666666666666668) internal successors, (258), 9 states have internal predecessors, (258), 0 states have call successors, (0), 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 14:32:46,844 INFO L276 IsEmpty]: Start isEmpty. Operand 16857 states and 63511 transitions. [2022-03-15 14:32:46,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-03-15 14:32:46,877 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:32:46,877 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:46,896 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 14:32:47,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:32:47,092 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:32:47,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:32:47,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1927559211, now seen corresponding path program 1 times [2022-03-15 14:32:47,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:32:47,093 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485585586] [2022-03-15 14:32:47,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:32:47,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:32:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:32:47,320 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-15 14:32:47,320 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:32:47,321 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485585586] [2022-03-15 14:32:47,321 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485585586] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:32:47,321 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920806619] [2022-03-15 14:32:47,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:32:47,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:32:47,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:32:47,322 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 14:32:47,323 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 14:32:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:32:47,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-15 14:32:47,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:32:47,890 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-15 14:32:47,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:32:48,342 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-15 14:32:48,342 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920806619] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 14:32:48,342 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 14:32:48,342 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 19 [2022-03-15 14:32:48,342 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945986406] [2022-03-15 14:32:48,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:32:48,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 14:32:48,343 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:32:48,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 14:32:48,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:32:48,343 INFO L87 Difference]: Start difference. First operand 16857 states and 63511 transitions. Second operand has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 0 states have call successors, (0), 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 14:32:48,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:32:48,535 INFO L93 Difference]: Finished difference Result 16490 states and 61907 transitions. [2022-03-15 14:32:48,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 14:32:48,536 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 0 states have call successors, (0), 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 277 [2022-03-15 14:32:48,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:32:48,582 INFO L225 Difference]: With dead ends: 16490 [2022-03-15 14:32:48,582 INFO L226 Difference]: Without dead ends: 16490 [2022-03-15 14:32:48,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 542 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2022-03-15 14:32:48,582 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 1071 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:32:48,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1071 Valid, 683 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 14:32:48,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16490 states. [2022-03-15 14:32:48,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16490 to 13180. [2022-03-15 14:32:48,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13180 states, 13179 states have (on average 3.736398816298657) internal successors, (49242), 13179 states have internal predecessors, (49242), 0 states have call successors, (0), 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 14:32:48,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13180 states to 13180 states and 49242 transitions. [2022-03-15 14:32:48,910 INFO L78 Accepts]: Start accepts. Automaton has 13180 states and 49242 transitions. Word has length 277 [2022-03-15 14:32:48,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:32:48,911 INFO L470 AbstractCegarLoop]: Abstraction has 13180 states and 49242 transitions. [2022-03-15 14:32:48,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.22222222222222) internal successors, (263), 9 states have internal predecessors, (263), 0 states have call successors, (0), 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 14:32:48,911 INFO L276 IsEmpty]: Start isEmpty. Operand 13180 states and 49242 transitions. [2022-03-15 14:32:48,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-03-15 14:32:48,942 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:32:48,942 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:48,959 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 14:32:49,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:32:49,150 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:32:49,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:32:49,150 INFO L85 PathProgramCache]: Analyzing trace with hash 495720663, now seen corresponding path program 1 times [2022-03-15 14:32:49,150 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:32:49,150 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678351073] [2022-03-15 14:32:49,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:32:49,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:32:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:32:49,283 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-15 14:32:49,283 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:32:49,283 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678351073] [2022-03-15 14:32:49,283 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678351073] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:32:49,283 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:32:49,283 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 14:32:49,284 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841836508] [2022-03-15 14:32:49,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:32:49,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 14:32:49,284 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:32:49,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 14:32:49,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 14:32:49,285 INFO L87 Difference]: Start difference. First operand 13180 states and 49242 transitions. Second operand has 5 states, 5 states have (on average 52.0) internal successors, (260), 5 states have internal predecessors, (260), 0 states have call successors, (0), 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 14:32:49,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:32:49,418 INFO L93 Difference]: Finished difference Result 15037 states and 56012 transitions. [2022-03-15 14:32:49,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 14:32:49,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 52.0) internal successors, (260), 5 states have internal predecessors, (260), 0 states have call successors, (0), 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 281 [2022-03-15 14:32:49,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:32:49,465 INFO L225 Difference]: With dead ends: 15037 [2022-03-15 14:32:49,465 INFO L226 Difference]: Without dead ends: 15037 [2022-03-15 14:32:49,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-15 14:32:49,466 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 137 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:32:49,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 1167 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 14:32:49,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15037 states. [2022-03-15 14:32:49,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15037 to 12941. [2022-03-15 14:32:49,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12941 states, 12940 states have (on average 3.712210200927357) internal successors, (48036), 12940 states have internal predecessors, (48036), 0 states have call successors, (0), 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 14:32:49,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12941 states to 12941 states and 48036 transitions. [2022-03-15 14:32:49,803 INFO L78 Accepts]: Start accepts. Automaton has 12941 states and 48036 transitions. Word has length 281 [2022-03-15 14:32:49,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:32:49,804 INFO L470 AbstractCegarLoop]: Abstraction has 12941 states and 48036 transitions. [2022-03-15 14:32:49,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.0) internal successors, (260), 5 states have internal predecessors, (260), 0 states have call successors, (0), 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 14:32:49,804 INFO L276 IsEmpty]: Start isEmpty. Operand 12941 states and 48036 transitions. [2022-03-15 14:32:49,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-03-15 14:32:49,833 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:32:49,833 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:32:49,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 14:32:49,833 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 14:32:49,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:32:49,834 INFO L85 PathProgramCache]: Analyzing trace with hash 711365589, now seen corresponding path program 2 times [2022-03-15 14:32:49,834 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:32:49,834 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128430721] [2022-03-15 14:32:49,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:32:49,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:32:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:32:52,151 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-15 14:32:52,151 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:32:52,151 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128430721] [2022-03-15 14:32:52,151 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128430721] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:32:52,151 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554285594] [2022-03-15 14:32:52,151 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 14:32:52,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:32:52,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:32:52,152 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 14:32:52,153 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 14:32:52,292 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 14:32:52,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 14:32:52,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 118 conjunts are in the unsatisfiable core [2022-03-15 14:32:52,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:32:52,960 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 14:32:53,662 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-15 14:32:53,663 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 14:32:54,550 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:32:54,550 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2022-03-15 14:32:56,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 14:32:56,480 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 14:32:56,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 14:32:56,882 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 14:32:57,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 14:32:57,323 INFO L353 Elim1Store]: treesize reduction 39, result has 35.0 percent of original size [2022-03-15 14:32:57,324 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 48 [2022-03-15 14:33:45,624 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:33:45,624 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 78 [2022-03-15 14:33:46,072 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-03-15 14:33:46,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:33:54,073 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (v_ArrVal_441 Int) (v_ArrVal_439 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_439)) (.cse1 (* |c_thread2Thread1of1ForFork0_~i~1#1| 4))) (let ((.cse3 (store (select .cse0 c_~C~0.base) (+ .cse1 ~C~0.offset) v_ArrVal_441))) (or (< (+ (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset)) (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1))) v_ArrVal_441) (let ((.cse2 (+ c_~maxa~0 c_~maxb~0))) (and (<= c_~maxc~0 .cse2) (<= (select .cse3 (+ ~C~0.offset 4)) .cse2))) (<= c_~maxb~0 (select (select (store .cse0 c_~C~0.base .cse3) c_~B~0.base) (+ (* c_thread1Thread1of1ForFork2_~i~0 4) c_~B~0.offset))))))) is different from false [2022-03-15 14:33:54,641 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (v_ArrVal_441 Int) (v_ArrVal_439 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_439))) (or (< (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset 4)) (select (select .cse0 c_~B~0.base) (+ 4 c_~B~0.offset))) v_ArrVal_441) (<= c_~maxb~0 (select (select (store .cse0 c_~C~0.base (store (select .cse0 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_441)) c_~B~0.base) (+ (* c_thread1Thread1of1ForFork2_~i~0 4) c_~B~0.offset))) (let ((.cse1 (+ c_~maxa~0 c_~maxb~0))) (and (<= v_ArrVal_441 .cse1) (<= c_~maxc~0 .cse1)))))) is different from false [2022-03-15 14:33:55,403 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (v_ArrVal_438 (Array Int Int)) (v_ArrVal_441 Int) (v_ArrVal_439 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_438) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_439))) (or (< (+ (select (select .cse0 c_~B~0.base) (+ 4 c_~B~0.offset)) (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset 4))) v_ArrVal_441) (<= c_~maxb~0 (select (select (store .cse0 c_~C~0.base (store (select .cse0 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_441)) c_~B~0.base) (+ (* c_thread1Thread1of1ForFork2_~i~0 4) c_~B~0.offset))) (let ((.cse1 (+ c_~maxa~0 c_~maxb~0))) (and (<= v_ArrVal_441 .cse1) (<= c_~maxc~0 .cse1)))))) is different from false [2022-03-15 14:33:56,531 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((~C~0.offset Int) (v_ArrVal_438 (Array Int Int)) (v_ArrVal_441 Int) (v_ArrVal_439 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_438) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_439))) (or (< (+ (select (select .cse0 c_~B~0.base) (+ 4 c_~B~0.offset)) (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset 4))) v_ArrVal_441) (<= c_~maxb~0 (select (select (store .cse0 c_~C~0.base (store (select .cse0 c_~C~0.base) (+ ~C~0.offset 4) v_ArrVal_441)) c_~B~0.base) (+ (* c_thread1Thread1of1ForFork2_~i~0 4) c_~B~0.offset))) (let ((.cse1 (+ c_~maxa~0 c_~maxb~0))) (and (<= v_ArrVal_441 .cse1) (<= c_~maxc~0 .cse1)))))) (<= c_~maxa~0 |c_thread1Thread1of1ForFork2_#t~mem2|)) is different from false [2022-03-15 14:33:56,605 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:33:56,605 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11398 treesize of output 11116 [2022-03-15 14:33:56,697 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:33:56,698 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 11723 treesize of output 11107 [2022-03-15 14:33:56,796 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 14:33:56,796 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 13627 treesize of output 11971 Received shutdown request... [2022-03-15 14:46:52,390 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-15 14:46:52,397 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-15 14:46:52,397 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-15 14:46:52,409 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-03-15 14:46:52,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-15 14:46:52,609 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 14:46:52,610 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 282 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 21ms.. [2022-03-15 14:46:52,611 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-15 14:46:52,611 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-15 14:46:52,611 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-15 14:46:52,613 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1] [2022-03-15 14:46:52,614 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 14:46:52,615 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 14:46:52,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 02:46:52 BasicIcfg [2022-03-15 14:46:52,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 14:46:52,616 INFO L158 Benchmark]: Toolchain (without parser) took 861626.76ms. Allocated memory was 199.2MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 143.7MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2022-03-15 14:46:52,617 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 199.2MB. Free memory is still 160.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 14:46:52,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.18ms. Allocated memory was 199.2MB in the beginning and 273.7MB in the end (delta: 74.4MB). Free memory was 143.5MB in the beginning and 241.4MB in the end (delta: -97.9MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. [2022-03-15 14:46:52,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.07ms. Allocated memory is still 273.7MB. Free memory was 241.4MB in the beginning and 239.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 14:46:52,617 INFO L158 Benchmark]: Boogie Preprocessor took 24.15ms. Allocated memory is still 273.7MB. Free memory was 239.0MB in the beginning and 237.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 14:46:52,617 INFO L158 Benchmark]: RCFGBuilder took 517.42ms. Allocated memory is still 273.7MB. Free memory was 237.2MB in the beginning and 209.7MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-03-15 14:46:52,618 INFO L158 Benchmark]: TraceAbstraction took 860799.33ms. Allocated memory was 273.7MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 209.3MB in the beginning and 2.0GB in the end (delta: -1.7GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2022-03-15 14:46:52,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 199.2MB. Free memory is still 160.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 237.18ms. Allocated memory was 199.2MB in the beginning and 273.7MB in the end (delta: 74.4MB). Free memory was 143.5MB in the beginning and 241.4MB in the end (delta: -97.9MB). Peak memory consumption was 8.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.07ms. Allocated memory is still 273.7MB. Free memory was 241.4MB in the beginning and 239.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.15ms. Allocated memory is still 273.7MB. Free memory was 239.0MB in the beginning and 237.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 517.42ms. Allocated memory is still 273.7MB. Free memory was 237.2MB in the beginning and 209.7MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 860799.33ms. Allocated memory was 273.7MB in the beginning and 4.2GB in the end (delta: 4.0GB). Free memory was 209.3MB in the beginning and 2.0GB in the end (delta: -1.7GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 282 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 21ms.. - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 282 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 21ms.. - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 282 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 21ms.. - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 282 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 21ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 334 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 860.7s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.5s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10798 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10798 mSDsluCounter, 13204 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11113 mSDsCounter, 304 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2459 IncrementalHoareTripleChecker+Invalid, 2763 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 304 mSolverCounterUnsat, 2444 mSDtfsCounter, 2459 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2775 GetRequests, 2577 SyntacticMatches, 6 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1279 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19052occurred in iteration=4, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 32350 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 3575 NumberOfCodeBlocks, 3575 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4867 ConstructedInterpolants, 0 QuantifiedInterpolants, 11089 SizeOfPredicates, 38 NumberOfNonLiveVariables, 2749 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 19 InterpolantComputations, 7 PerfectInterpolantSequences, 255/312 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown