/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/concurrent/pthreads/forkFork.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 17:03:06,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 17:03:06,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 17:03:06,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 17:03:06,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 17:03:06,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 17:03:06,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 17:03:06,264 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-01 17:03:06,294 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 17:03:06,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 17:03:06,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 17:03:06,295 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 17:03:06,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 17:03:06,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 17:03:06,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 17:03:06,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 17:03:06,296 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 17:03:06,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 17:03:06,297 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 17:03:06,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 17:03:06,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 17:03:06,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 17:03:06,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 17:03:06,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 17:03:06,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 17:03:06,298 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 17:03:06,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 17:03:06,298 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 17:03:06,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 17:03:06,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 17:03:06,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 17:03:06,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 17:03:06,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 17:03:06,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 17:03:06,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 17:03:06,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 17:03:06,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 17:03:06,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 17:03:06,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 17:03:06,300 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 17:03:06,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 17:03:06,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 17:03:06,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 17:03:06,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 17:03:06,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 17:03:06,512 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 17:03:06,512 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 17:03:06,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkFork.c [2022-03-01 17:03:06,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d0122e3a/56cdd66b7ed64d71948d643a0cdd308b/FLAG89ca4e289 [2022-03-01 17:03:06,920 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 17:03:06,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkFork.c [2022-03-01 17:03:06,921 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-01 17:03:06,921 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-01 17:03:06,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d0122e3a/56cdd66b7ed64d71948d643a0cdd308b/FLAG89ca4e289 [2022-03-01 17:03:07,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d0122e3a/56cdd66b7ed64d71948d643a0cdd308b [2022-03-01 17:03:07,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 17:03:07,343 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 17:03:07,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 17:03:07,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 17:03:07,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 17:03:07,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 05:03:07" (1/1) ... [2022-03-01 17:03:07,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@237697df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:03:07, skipping insertion in model container [2022-03-01 17:03:07,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 05:03:07" (1/1) ... [2022-03-01 17:03:07,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 17:03:07,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 17:03:07,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 17:03:07,529 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 17:03:07,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 17:03:07,556 INFO L208 MainTranslator]: Completed translation [2022-03-01 17:03:07,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:03:07 WrapperNode [2022-03-01 17:03:07,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 17:03:07,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 17:03:07,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 17:03:07,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 17:03:07,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:03:07" (1/1) ... [2022-03-01 17:03:07,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:03:07" (1/1) ... [2022-03-01 17:03:07,582 INFO L137 Inliner]: procedures = 12, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2022-03-01 17:03:07,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 17:03:07,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 17:03:07,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 17:03:07,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 17:03:07,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:03:07" (1/1) ... [2022-03-01 17:03:07,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:03:07" (1/1) ... [2022-03-01 17:03:07,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:03:07" (1/1) ... [2022-03-01 17:03:07,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:03:07" (1/1) ... [2022-03-01 17:03:07,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:03:07" (1/1) ... [2022-03-01 17:03:07,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:03:07" (1/1) ... [2022-03-01 17:03:07,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:03:07" (1/1) ... [2022-03-01 17:03:07,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 17:03:07,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 17:03:07,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 17:03:07,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 17:03:07,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:03:07" (1/1) ... [2022-03-01 17:03:07,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 17:03:07,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 17:03:07,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-01 17:03:07,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-01 17:03:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-01 17:03:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 17:03:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2022-03-01 17:03:07,655 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2022-03-01 17:03:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-03-01 17:03:07,655 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-03-01 17:03:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 17:03:07,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 17:03:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 17:03:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 17:03:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-01 17:03:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 17:03:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 17:03:07,657 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 17:03:07,721 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 17:03:07,723 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 17:03:07,876 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 17:03:07,882 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 17:03:07,882 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 17:03:07,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 05:03:07 BoogieIcfgContainer [2022-03-01 17:03:07,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 17:03:07,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 17:03:07,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 17:03:07,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 17:03:07,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 05:03:07" (1/3) ... [2022-03-01 17:03:07,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e41aa63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 05:03:07, skipping insertion in model container [2022-03-01 17:03:07,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 05:03:07" (2/3) ... [2022-03-01 17:03:07,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e41aa63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 05:03:07, skipping insertion in model container [2022-03-01 17:03:07,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 05:03:07" (3/3) ... [2022-03-01 17:03:07,890 INFO L111 eAbstractionObserver]: Analyzing ICFG forkFork.c [2022-03-01 17:03:07,893 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 17:03:07,894 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 17:03:07,894 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-03-01 17:03:07,894 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 17:03:07,929 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,929 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,929 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,929 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,930 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,930 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,930 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,930 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,931 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,931 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,931 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,931 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,931 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,932 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,932 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,932 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,932 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,932 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,932 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,933 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,933 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,933 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,933 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,933 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,934 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,934 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,934 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,934 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,934 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,935 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,935 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,935 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,935 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,936 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,936 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,936 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,936 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,936 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,937 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,937 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,937 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,938 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,938 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,938 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,939 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,939 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,939 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,939 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,939 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,940 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,940 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,940 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,940 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,940 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,941 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,941 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,941 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,942 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,942 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,942 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,942 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,942 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,943 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,943 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,943 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,944 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,944 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,944 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,945 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,945 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,945 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,945 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,945 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,945 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,946 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,946 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,946 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,947 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,947 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,948 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,948 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,948 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,948 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,949 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,949 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,949 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,951 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,951 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,951 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,952 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,952 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,952 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,952 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,952 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,953 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,953 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,954 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,954 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,954 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,954 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,955 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,955 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,955 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,955 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,956 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,956 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,956 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,957 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,957 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,957 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,957 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,957 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,957 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,957 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,958 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,958 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,958 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,958 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,959 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,959 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,959 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,959 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,959 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,960 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,960 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,960 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,960 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,960 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,961 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,961 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,961 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,961 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,961 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,962 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,962 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,962 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,962 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,962 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,963 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,963 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,963 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,963 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,966 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,967 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,967 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,967 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,967 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,967 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,968 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,968 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,968 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,968 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,968 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,968 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,968 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,969 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,969 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,969 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,969 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,972 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,972 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,972 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,973 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,973 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,973 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,973 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,973 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,973 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,975 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,975 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,975 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,975 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,975 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,976 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,976 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,976 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,976 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 17:03:07,990 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-03-01 17:03:08,027 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 17:03:08,033 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 17:03:08,033 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-03-01 17:03:08,044 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 97 places, 90 transitions, 199 flow [2022-03-01 17:03:08,107 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 386 states, 384 states have (on average 2.2239583333333335) internal successors, (854), 385 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:08,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 386 states, 384 states have (on average 2.2239583333333335) internal successors, (854), 385 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:08,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-03-01 17:03:08,118 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:08,118 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] [2022-03-01 17:03:08,119 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting barErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:08,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:08,124 INFO L85 PathProgramCache]: Analyzing trace with hash 496504008, now seen corresponding path program 1 times [2022-03-01 17:03:08,131 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:08,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488353307] [2022-03-01 17:03:08,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:08,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:08,680 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:08,681 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488353307] [2022-03-01 17:03:08,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488353307] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:08,682 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:08,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-01 17:03:08,684 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819432403] [2022-03-01 17:03:08,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:08,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-01 17:03:08,688 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:08,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-01 17:03:08,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2022-03-01 17:03:08,723 INFO L87 Difference]: Start difference. First operand has 386 states, 384 states have (on average 2.2239583333333335) internal successors, (854), 385 states have internal predecessors, (854), 0 states have call successors, (0), 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 16 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:09,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:09,384 INFO L93 Difference]: Finished difference Result 366 states and 803 transitions. [2022-03-01 17:03:09,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-01 17:03:09,387 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2022-03-01 17:03:09,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:09,396 INFO L225 Difference]: With dead ends: 366 [2022-03-01 17:03:09,396 INFO L226 Difference]: Without dead ends: 366 [2022-03-01 17:03:09,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=203, Invalid=667, Unknown=0, NotChecked=0, Total=870 [2022-03-01 17:03:09,401 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 262 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:09,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 610 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 17:03:09,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-03-01 17:03:09,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2022-03-01 17:03:09,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 365 states have (on average 2.2) internal successors, (803), 365 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:09,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 803 transitions. [2022-03-01 17:03:09,450 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 803 transitions. Word has length 29 [2022-03-01 17:03:09,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:09,451 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 803 transitions. [2022-03-01 17:03:09,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:09,451 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 803 transitions. [2022-03-01 17:03:09,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:09,454 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:09,454 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] [2022-03-01 17:03:09,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 17:03:09,454 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:09,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:09,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1725141537, now seen corresponding path program 1 times [2022-03-01 17:03:09,455 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:09,455 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224608255] [2022-03-01 17:03:09,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:09,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:10,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:10,170 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:10,170 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224608255] [2022-03-01 17:03:10,170 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224608255] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:10,170 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:10,170 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 17:03:10,170 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913467788] [2022-03-01 17:03:10,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:10,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 17:03:10,172 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:10,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 17:03:10,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2022-03-01 17:03:10,173 INFO L87 Difference]: Start difference. First operand 366 states and 803 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:11,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:11,845 INFO L93 Difference]: Finished difference Result 436 states and 909 transitions. [2022-03-01 17:03:11,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-01 17:03:11,846 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:11,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:11,848 INFO L225 Difference]: With dead ends: 436 [2022-03-01 17:03:11,848 INFO L226 Difference]: Without dead ends: 386 [2022-03-01 17:03:11,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=532, Invalid=2890, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 17:03:11,853 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 319 mSDsluCounter, 1447 mSDsCounter, 0 mSdLazyCounter, 1363 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 1542 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:11,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [319 Valid, 1542 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1363 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 17:03:11,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-03-01 17:03:11,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 366. [2022-03-01 17:03:11,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 365 states have (on average 2.1780821917808217) internal successors, (795), 365 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:11,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 795 transitions. [2022-03-01 17:03:11,874 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 795 transitions. Word has length 64 [2022-03-01 17:03:11,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:11,875 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 795 transitions. [2022-03-01 17:03:11,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:11,875 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 795 transitions. [2022-03-01 17:03:11,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:11,877 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:11,877 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] [2022-03-01 17:03:11,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 17:03:11,878 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:11,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:11,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1261193569, now seen corresponding path program 2 times [2022-03-01 17:03:11,879 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:11,879 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114334876] [2022-03-01 17:03:11,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:11,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:12,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:12,401 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:12,401 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114334876] [2022-03-01 17:03:12,401 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114334876] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:12,401 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:12,401 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 17:03:12,401 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267027781] [2022-03-01 17:03:12,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:12,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 17:03:12,402 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:12,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 17:03:12,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-03-01 17:03:12,407 INFO L87 Difference]: Start difference. First operand 366 states and 795 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:14,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:14,470 INFO L93 Difference]: Finished difference Result 390 states and 824 transitions. [2022-03-01 17:03:14,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-01 17:03:14,470 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:14,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:14,475 INFO L225 Difference]: With dead ends: 390 [2022-03-01 17:03:14,475 INFO L226 Difference]: Without dead ends: 366 [2022-03-01 17:03:14,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=546, Invalid=2876, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 17:03:14,479 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 318 mSDsluCounter, 1498 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 1596 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:14,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [318 Valid, 1596 Invalid, 1389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1337 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 17:03:14,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-03-01 17:03:14,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2022-03-01 17:03:14,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 365 states have (on average 2.1726027397260275) internal successors, (793), 365 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:14,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 793 transitions. [2022-03-01 17:03:14,497 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 793 transitions. Word has length 64 [2022-03-01 17:03:14,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:14,498 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 793 transitions. [2022-03-01 17:03:14,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:14,498 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 793 transitions. [2022-03-01 17:03:14,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:14,499 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:14,500 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] [2022-03-01 17:03:14,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 17:03:14,500 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:14,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:14,501 INFO L85 PathProgramCache]: Analyzing trace with hash -375055797, now seen corresponding path program 3 times [2022-03-01 17:03:14,501 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:14,501 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680029067] [2022-03-01 17:03:14,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:14,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:15,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:15,135 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:15,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680029067] [2022-03-01 17:03:15,136 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680029067] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:15,136 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:15,136 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-03-01 17:03:15,136 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073795159] [2022-03-01 17:03:15,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:15,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-01 17:03:15,137 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:15,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-01 17:03:15,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=750, Unknown=0, NotChecked=0, Total=812 [2022-03-01 17:03:15,137 INFO L87 Difference]: Start difference. First operand 366 states and 793 transitions. Second operand has 29 states, 28 states have (on average 2.2857142857142856) internal successors, (64), 29 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:17,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:17,633 INFO L93 Difference]: Finished difference Result 386 states and 816 transitions. [2022-03-01 17:03:17,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-01 17:03:17,634 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 2.2857142857142856) internal successors, (64), 29 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:17,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:17,635 INFO L225 Difference]: With dead ends: 386 [2022-03-01 17:03:17,636 INFO L226 Difference]: Without dead ends: 366 [2022-03-01 17:03:17,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=591, Invalid=3441, Unknown=0, NotChecked=0, Total=4032 [2022-03-01 17:03:17,638 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 354 mSDsluCounter, 1670 mSDsCounter, 0 mSdLazyCounter, 1601 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1764 SdHoareTripleChecker+Invalid, 1673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:17,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 1764 Invalid, 1673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1601 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-01 17:03:17,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-03-01 17:03:17,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2022-03-01 17:03:17,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 365 states have (on average 2.1671232876712327) internal successors, (791), 365 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:17,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 791 transitions. [2022-03-01 17:03:17,647 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 791 transitions. Word has length 64 [2022-03-01 17:03:17,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:17,647 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 791 transitions. [2022-03-01 17:03:17,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 2.2857142857142856) internal successors, (64), 29 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:17,648 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 791 transitions. [2022-03-01 17:03:17,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:17,649 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:17,649 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] [2022-03-01 17:03:17,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 17:03:17,650 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:17,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:17,650 INFO L85 PathProgramCache]: Analyzing trace with hash 224142283, now seen corresponding path program 4 times [2022-03-01 17:03:17,650 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:17,650 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836732291] [2022-03-01 17:03:17,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:17,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:18,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:18,140 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:18,140 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836732291] [2022-03-01 17:03:18,140 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836732291] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:18,140 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:18,140 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-03-01 17:03:18,140 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505200248] [2022-03-01 17:03:18,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:18,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-01 17:03:18,142 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:18,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-01 17:03:18,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=803, Unknown=0, NotChecked=0, Total=870 [2022-03-01 17:03:18,143 INFO L87 Difference]: Start difference. First operand 366 states and 791 transitions. Second operand has 30 states, 29 states have (on average 2.206896551724138) internal successors, (64), 30 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:19,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:19,907 INFO L93 Difference]: Finished difference Result 382 states and 808 transitions. [2022-03-01 17:03:19,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-01 17:03:19,907 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 2.206896551724138) internal successors, (64), 30 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:19,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:19,909 INFO L225 Difference]: With dead ends: 382 [2022-03-01 17:03:19,909 INFO L226 Difference]: Without dead ends: 345 [2022-03-01 17:03:19,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=604, Invalid=3556, Unknown=0, NotChecked=0, Total=4160 [2022-03-01 17:03:19,911 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 393 mSDsluCounter, 1570 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 1559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:19,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [393 Valid, 1663 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1490 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 17:03:19,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2022-03-01 17:03:19,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2022-03-01 17:03:19,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 344 states have (on average 2.188953488372093) internal successors, (753), 344 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:19,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 753 transitions. [2022-03-01 17:03:19,920 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 753 transitions. Word has length 64 [2022-03-01 17:03:19,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:19,920 INFO L470 AbstractCegarLoop]: Abstraction has 345 states and 753 transitions. [2022-03-01 17:03:19,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 2.206896551724138) internal successors, (64), 30 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:19,921 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 753 transitions. [2022-03-01 17:03:19,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:19,922 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:19,922 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] [2022-03-01 17:03:19,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-01 17:03:19,922 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:19,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:19,923 INFO L85 PathProgramCache]: Analyzing trace with hash -98358559, now seen corresponding path program 5 times [2022-03-01 17:03:19,923 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:19,923 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604585448] [2022-03-01 17:03:19,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:19,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:20,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:20,384 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:20,384 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604585448] [2022-03-01 17:03:20,385 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604585448] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:20,385 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:20,385 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 17:03:20,385 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511593557] [2022-03-01 17:03:20,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:20,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 17:03:20,385 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:20,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 17:03:20,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-03-01 17:03:20,386 INFO L87 Difference]: Start difference. First operand 345 states and 753 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:22,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:22,067 INFO L93 Difference]: Finished difference Result 371 states and 785 transitions. [2022-03-01 17:03:22,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-01 17:03:22,068 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:22,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:22,069 INFO L225 Difference]: With dead ends: 371 [2022-03-01 17:03:22,069 INFO L226 Difference]: Without dead ends: 342 [2022-03-01 17:03:22,070 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=518, Invalid=2788, Unknown=0, NotChecked=0, Total=3306 [2022-03-01 17:03:22,071 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 325 mSDsluCounter, 1422 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 1513 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:22,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [325 Valid, 1513 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-01 17:03:22,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2022-03-01 17:03:22,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2022-03-01 17:03:22,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 341 states have (on average 2.190615835777126) internal successors, (747), 341 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:22,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 747 transitions. [2022-03-01 17:03:22,085 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 747 transitions. Word has length 64 [2022-03-01 17:03:22,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:22,085 INFO L470 AbstractCegarLoop]: Abstraction has 342 states and 747 transitions. [2022-03-01 17:03:22,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:22,085 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 747 transitions. [2022-03-01 17:03:22,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:22,086 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:22,086 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] [2022-03-01 17:03:22,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-01 17:03:22,087 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:22,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:22,087 INFO L85 PathProgramCache]: Analyzing trace with hash 695162699, now seen corresponding path program 6 times [2022-03-01 17:03:22,087 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:22,087 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24525772] [2022-03-01 17:03:22,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:22,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:22,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:22,560 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:22,560 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24525772] [2022-03-01 17:03:22,560 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24525772] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:22,560 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:22,560 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 17:03:22,560 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977970087] [2022-03-01 17:03:22,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:22,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 17:03:22,561 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:22,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 17:03:22,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-03-01 17:03:22,562 INFO L87 Difference]: Start difference. First operand 342 states and 747 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:24,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:24,314 INFO L93 Difference]: Finished difference Result 374 states and 788 transitions. [2022-03-01 17:03:24,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-01 17:03:24,315 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:24,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:24,322 INFO L225 Difference]: With dead ends: 374 [2022-03-01 17:03:24,322 INFO L226 Difference]: Without dead ends: 333 [2022-03-01 17:03:24,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 491 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=554, Invalid=2986, Unknown=0, NotChecked=0, Total=3540 [2022-03-01 17:03:24,323 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 354 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1404 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:24,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 1404 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1200 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 17:03:24,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2022-03-01 17:03:24,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2022-03-01 17:03:24,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 332 states have (on average 2.1957831325301207) internal successors, (729), 332 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:24,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 729 transitions. [2022-03-01 17:03:24,332 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 729 transitions. Word has length 64 [2022-03-01 17:03:24,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:24,332 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 729 transitions. [2022-03-01 17:03:24,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:24,332 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 729 transitions. [2022-03-01 17:03:24,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:24,333 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:24,333 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] [2022-03-01 17:03:24,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-01 17:03:24,334 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:24,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:24,334 INFO L85 PathProgramCache]: Analyzing trace with hash 2022697791, now seen corresponding path program 7 times [2022-03-01 17:03:24,334 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:24,334 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926633699] [2022-03-01 17:03:24,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:24,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:24,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:24,733 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:24,733 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926633699] [2022-03-01 17:03:24,733 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926633699] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:24,733 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:24,733 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 17:03:24,733 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851026927] [2022-03-01 17:03:24,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:24,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 17:03:24,733 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:24,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 17:03:24,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2022-03-01 17:03:24,734 INFO L87 Difference]: Start difference. First operand 333 states and 729 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:26,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:26,011 INFO L93 Difference]: Finished difference Result 367 states and 773 transitions. [2022-03-01 17:03:26,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-01 17:03:26,011 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:26,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:26,013 INFO L225 Difference]: With dead ends: 367 [2022-03-01 17:03:26,013 INFO L226 Difference]: Without dead ends: 306 [2022-03-01 17:03:26,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=523, Invalid=2899, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 17:03:26,015 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 335 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 1269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:26,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [335 Valid, 1396 Invalid, 1269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 17:03:26,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-03-01 17:03:26,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2022-03-01 17:03:26,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 305 states have (on average 2.1704918032786886) internal successors, (662), 305 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:26,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 662 transitions. [2022-03-01 17:03:26,023 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 662 transitions. Word has length 64 [2022-03-01 17:03:26,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:26,023 INFO L470 AbstractCegarLoop]: Abstraction has 306 states and 662 transitions. [2022-03-01 17:03:26,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:26,023 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 662 transitions. [2022-03-01 17:03:26,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:26,024 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:26,024 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] [2022-03-01 17:03:26,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-01 17:03:26,025 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:26,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:26,025 INFO L85 PathProgramCache]: Analyzing trace with hash -83071485, now seen corresponding path program 8 times [2022-03-01 17:03:26,025 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:26,026 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003501624] [2022-03-01 17:03:26,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:26,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:26,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:26,461 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:26,462 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003501624] [2022-03-01 17:03:26,462 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003501624] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:26,462 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:26,462 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 17:03:26,462 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544683614] [2022-03-01 17:03:26,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:26,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 17:03:26,462 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:26,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 17:03:26,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-03-01 17:03:26,463 INFO L87 Difference]: Start difference. First operand 306 states and 662 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:28,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:28,192 INFO L93 Difference]: Finished difference Result 372 states and 774 transitions. [2022-03-01 17:03:28,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-01 17:03:28,192 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:28,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:28,193 INFO L225 Difference]: With dead ends: 372 [2022-03-01 17:03:28,193 INFO L226 Difference]: Without dead ends: 282 [2022-03-01 17:03:28,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=555, Invalid=2985, Unknown=0, NotChecked=0, Total=3540 [2022-03-01 17:03:28,194 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 391 mSDsluCounter, 1410 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:28,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [391 Valid, 1493 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1321 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 17:03:28,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-03-01 17:03:28,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-03-01 17:03:28,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 2.1209964412811386) internal successors, (596), 281 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:28,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 596 transitions. [2022-03-01 17:03:28,201 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 596 transitions. Word has length 64 [2022-03-01 17:03:28,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:28,201 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 596 transitions. [2022-03-01 17:03:28,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:28,201 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 596 transitions. [2022-03-01 17:03:28,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:28,202 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:28,202 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] [2022-03-01 17:03:28,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-01 17:03:28,203 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:28,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:28,203 INFO L85 PathProgramCache]: Analyzing trace with hash -292453309, now seen corresponding path program 9 times [2022-03-01 17:03:28,203 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:28,203 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84812477] [2022-03-01 17:03:28,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:28,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:28,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:28,588 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:28,588 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84812477] [2022-03-01 17:03:28,588 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84812477] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:28,588 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:28,588 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 17:03:28,588 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678680672] [2022-03-01 17:03:28,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:28,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 17:03:28,589 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:28,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 17:03:28,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=647, Unknown=0, NotChecked=0, Total=702 [2022-03-01 17:03:28,589 INFO L87 Difference]: Start difference. First operand 282 states and 596 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:30,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:30,398 INFO L93 Difference]: Finished difference Result 356 states and 726 transitions. [2022-03-01 17:03:30,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-01 17:03:30,399 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:30,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:30,400 INFO L225 Difference]: With dead ends: 356 [2022-03-01 17:03:30,400 INFO L226 Difference]: Without dead ends: 270 [2022-03-01 17:03:30,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=543, Invalid=2997, Unknown=0, NotChecked=0, Total=3540 [2022-03-01 17:03:30,401 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 404 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 1392 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:30,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [404 Valid, 1392 Invalid, 1281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1228 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 17:03:30,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-03-01 17:03:30,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2022-03-01 17:03:30,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 269 states have (on average 2.092936802973978) internal successors, (563), 269 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:30,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 563 transitions. [2022-03-01 17:03:30,408 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 563 transitions. Word has length 64 [2022-03-01 17:03:30,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:30,408 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 563 transitions. [2022-03-01 17:03:30,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:30,408 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 563 transitions. [2022-03-01 17:03:30,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:30,410 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:30,410 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] [2022-03-01 17:03:30,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-01 17:03:30,411 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:30,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:30,411 INFO L85 PathProgramCache]: Analyzing trace with hash -899856169, now seen corresponding path program 10 times [2022-03-01 17:03:30,411 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:30,411 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748618220] [2022-03-01 17:03:30,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:30,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:30,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:30,797 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:30,797 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748618220] [2022-03-01 17:03:30,797 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748618220] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:30,797 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:30,797 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 17:03:30,797 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073965477] [2022-03-01 17:03:30,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:30,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 17:03:30,798 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:30,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 17:03:30,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=648, Unknown=0, NotChecked=0, Total=702 [2022-03-01 17:03:30,798 INFO L87 Difference]: Start difference. First operand 270 states and 563 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:32,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:32,538 INFO L93 Difference]: Finished difference Result 352 states and 711 transitions. [2022-03-01 17:03:32,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-01 17:03:32,538 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:32,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:32,539 INFO L225 Difference]: With dead ends: 352 [2022-03-01 17:03:32,539 INFO L226 Difference]: Without dead ends: 258 [2022-03-01 17:03:32,540 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=520, Invalid=2902, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 17:03:32,540 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 403 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 1311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:32,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [403 Valid, 1387 Invalid, 1311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 17:03:32,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-03-01 17:03:32,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2022-03-01 17:03:32,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 257 states have (on average 2.062256809338521) internal successors, (530), 257 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:32,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 530 transitions. [2022-03-01 17:03:32,546 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 530 transitions. Word has length 64 [2022-03-01 17:03:32,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:32,546 INFO L470 AbstractCegarLoop]: Abstraction has 258 states and 530 transitions. [2022-03-01 17:03:32,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:32,546 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 530 transitions. [2022-03-01 17:03:32,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:32,547 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:32,547 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] [2022-03-01 17:03:32,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-01 17:03:32,547 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:32,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:32,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1359682179, now seen corresponding path program 11 times [2022-03-01 17:03:32,547 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:32,548 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512365404] [2022-03-01 17:03:32,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:32,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:32,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:32,918 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:32,918 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512365404] [2022-03-01 17:03:32,918 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512365404] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:32,918 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:32,918 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 17:03:32,918 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793909142] [2022-03-01 17:03:32,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:32,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 17:03:32,919 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:32,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 17:03:32,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=649, Unknown=0, NotChecked=0, Total=702 [2022-03-01 17:03:32,919 INFO L87 Difference]: Start difference. First operand 258 states and 530 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:34,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:34,673 INFO L93 Difference]: Finished difference Result 356 states and 714 transitions. [2022-03-01 17:03:34,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-01 17:03:34,674 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:34,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:34,675 INFO L225 Difference]: With dead ends: 356 [2022-03-01 17:03:34,675 INFO L226 Difference]: Without dead ends: 234 [2022-03-01 17:03:34,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=543, Invalid=2997, Unknown=0, NotChecked=0, Total=3540 [2022-03-01 17:03:34,676 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 419 mSDsluCounter, 1261 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:34,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [419 Valid, 1338 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1207 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 17:03:34,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-03-01 17:03:34,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2022-03-01 17:03:34,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 233 states have (on average 1.9914163090128756) internal successors, (464), 233 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:34,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 464 transitions. [2022-03-01 17:03:34,681 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 464 transitions. Word has length 64 [2022-03-01 17:03:34,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:34,682 INFO L470 AbstractCegarLoop]: Abstraction has 234 states and 464 transitions. [2022-03-01 17:03:34,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:34,682 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 464 transitions. [2022-03-01 17:03:34,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:34,682 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:34,683 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] [2022-03-01 17:03:34,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-01 17:03:34,683 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:34,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:34,683 INFO L85 PathProgramCache]: Analyzing trace with hash -678660247, now seen corresponding path program 12 times [2022-03-01 17:03:34,683 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:34,683 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75022844] [2022-03-01 17:03:34,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:34,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:35,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:35,151 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:35,151 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75022844] [2022-03-01 17:03:35,151 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75022844] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:35,151 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:35,151 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 17:03:35,151 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527456848] [2022-03-01 17:03:35,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:35,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 17:03:35,151 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:35,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 17:03:35,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=649, Unknown=0, NotChecked=0, Total=702 [2022-03-01 17:03:35,152 INFO L87 Difference]: Start difference. First operand 234 states and 464 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:36,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:36,530 INFO L93 Difference]: Finished difference Result 340 states and 666 transitions. [2022-03-01 17:03:36,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-01 17:03:36,530 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:36,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:36,531 INFO L225 Difference]: With dead ends: 340 [2022-03-01 17:03:36,531 INFO L226 Difference]: Without dead ends: 222 [2022-03-01 17:03:36,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=517, Invalid=2905, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 17:03:36,533 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 434 mSDsluCounter, 1233 mSDsCounter, 0 mSdLazyCounter, 1211 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:36,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [434 Valid, 1307 Invalid, 1252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1211 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 17:03:36,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-03-01 17:03:36,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2022-03-01 17:03:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.9502262443438914) internal successors, (431), 221 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:36,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 431 transitions. [2022-03-01 17:03:36,538 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 431 transitions. Word has length 64 [2022-03-01 17:03:36,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:36,538 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 431 transitions. [2022-03-01 17:03:36,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:36,539 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 431 transitions. [2022-03-01 17:03:36,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:36,539 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:36,539 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] [2022-03-01 17:03:36,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-01 17:03:36,540 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:36,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:36,540 INFO L85 PathProgramCache]: Analyzing trace with hash -589632081, now seen corresponding path program 13 times [2022-03-01 17:03:36,540 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:36,540 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015601218] [2022-03-01 17:03:36,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:36,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:36,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:36,908 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:36,908 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015601218] [2022-03-01 17:03:36,908 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015601218] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:36,908 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:36,908 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 17:03:36,908 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889914267] [2022-03-01 17:03:36,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:36,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 17:03:36,908 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:36,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 17:03:36,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-03-01 17:03:36,909 INFO L87 Difference]: Start difference. First operand 222 states and 431 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:38,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:38,459 INFO L93 Difference]: Finished difference Result 336 states and 651 transitions. [2022-03-01 17:03:38,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-01 17:03:38,460 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:38,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:38,460 INFO L225 Difference]: With dead ends: 336 [2022-03-01 17:03:38,461 INFO L226 Difference]: Without dead ends: 210 [2022-03-01 17:03:38,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=545, Invalid=2877, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 17:03:38,462 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 441 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 1302 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:38,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [441 Valid, 1302 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 17:03:38,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2022-03-01 17:03:38,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2022-03-01 17:03:38,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 209 states have (on average 1.9043062200956937) internal successors, (398), 209 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:38,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 398 transitions. [2022-03-01 17:03:38,466 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 398 transitions. Word has length 64 [2022-03-01 17:03:38,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:38,466 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 398 transitions. [2022-03-01 17:03:38,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:38,466 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 398 transitions. [2022-03-01 17:03:38,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:38,467 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:38,467 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] [2022-03-01 17:03:38,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-01 17:03:38,467 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:38,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:38,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1681520809, now seen corresponding path program 14 times [2022-03-01 17:03:38,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:38,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99018665] [2022-03-01 17:03:38,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:38,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:38,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:38,877 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:38,877 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99018665] [2022-03-01 17:03:38,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99018665] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:38,877 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:38,877 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 17:03:38,877 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49996893] [2022-03-01 17:03:38,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:38,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 17:03:38,877 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:38,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 17:03:38,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2022-03-01 17:03:38,878 INFO L87 Difference]: Start difference. First operand 210 states and 398 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:40,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:40,067 INFO L93 Difference]: Finished difference Result 332 states and 636 transitions. [2022-03-01 17:03:40,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-01 17:03:40,071 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:40,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:40,072 INFO L225 Difference]: With dead ends: 332 [2022-03-01 17:03:40,072 INFO L226 Difference]: Without dead ends: 198 [2022-03-01 17:03:40,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=547, Invalid=2875, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 17:03:40,077 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 408 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:40,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [408 Valid, 1115 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 17:03:40,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2022-03-01 17:03:40,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2022-03-01 17:03:40,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 197 states have (on average 1.8527918781725887) internal successors, (365), 197 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:40,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 365 transitions. [2022-03-01 17:03:40,082 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 365 transitions. Word has length 64 [2022-03-01 17:03:40,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:40,082 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 365 transitions. [2022-03-01 17:03:40,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:40,083 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 365 transitions. [2022-03-01 17:03:40,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:40,084 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:40,084 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] [2022-03-01 17:03:40,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-01 17:03:40,084 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:40,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:40,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1102357615, now seen corresponding path program 15 times [2022-03-01 17:03:40,085 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:40,085 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523172276] [2022-03-01 17:03:40,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:40,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:40,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:40,491 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:40,491 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523172276] [2022-03-01 17:03:40,492 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523172276] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:40,492 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:40,492 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 17:03:40,492 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613519553] [2022-03-01 17:03:40,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:40,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 17:03:40,492 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:40,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 17:03:40,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-03-01 17:03:40,493 INFO L87 Difference]: Start difference. First operand 198 states and 365 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:42,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:42,194 INFO L93 Difference]: Finished difference Result 328 states and 621 transitions. [2022-03-01 17:03:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-01 17:03:42,194 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:42,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:42,195 INFO L225 Difference]: With dead ends: 328 [2022-03-01 17:03:42,195 INFO L226 Difference]: Without dead ends: 186 [2022-03-01 17:03:42,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=547, Invalid=2875, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 17:03:42,196 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 422 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:42,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [422 Valid, 1297 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1184 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-01 17:03:42,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-03-01 17:03:42,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2022-03-01 17:03:42,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.8432432432432433) internal successors, (341), 185 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:42,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 341 transitions. [2022-03-01 17:03:42,201 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 341 transitions. Word has length 64 [2022-03-01 17:03:42,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:42,201 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 341 transitions. [2022-03-01 17:03:42,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:42,201 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 341 transitions. [2022-03-01 17:03:42,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:42,202 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:42,202 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] [2022-03-01 17:03:42,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-01 17:03:42,202 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:42,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:42,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1705295993, now seen corresponding path program 16 times [2022-03-01 17:03:42,203 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:42,203 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838719954] [2022-03-01 17:03:42,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:42,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:42,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:42,603 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:42,603 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838719954] [2022-03-01 17:03:42,603 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838719954] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:42,604 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:42,604 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 17:03:42,604 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165425390] [2022-03-01 17:03:42,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:42,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 17:03:42,604 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:42,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 17:03:42,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-03-01 17:03:42,605 INFO L87 Difference]: Start difference. First operand 186 states and 341 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:44,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:44,179 INFO L93 Difference]: Finished difference Result 324 states and 609 transitions. [2022-03-01 17:03:44,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-01 17:03:44,179 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:44,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:44,180 INFO L225 Difference]: With dead ends: 324 [2022-03-01 17:03:44,180 INFO L226 Difference]: Without dead ends: 174 [2022-03-01 17:03:44,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=548, Invalid=2874, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 17:03:44,181 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 441 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:44,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [441 Valid, 1205 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 17:03:44,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-03-01 17:03:44,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2022-03-01 17:03:44,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 1.8323699421965318) internal successors, (317), 173 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:44,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 317 transitions. [2022-03-01 17:03:44,185 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 317 transitions. Word has length 64 [2022-03-01 17:03:44,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:44,185 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 317 transitions. [2022-03-01 17:03:44,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:44,185 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 317 transitions. [2022-03-01 17:03:44,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:44,186 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:44,186 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] [2022-03-01 17:03:44,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-01 17:03:44,186 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:44,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:44,186 INFO L85 PathProgramCache]: Analyzing trace with hash 2123493353, now seen corresponding path program 17 times [2022-03-01 17:03:44,187 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:44,187 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660518668] [2022-03-01 17:03:44,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:44,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:44,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:44,547 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:44,547 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660518668] [2022-03-01 17:03:44,547 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660518668] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:44,547 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:44,547 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 17:03:44,547 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013515302] [2022-03-01 17:03:44,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:44,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 17:03:44,547 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:44,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 17:03:44,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2022-03-01 17:03:44,548 INFO L87 Difference]: Start difference. First operand 174 states and 317 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:45,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:45,672 INFO L93 Difference]: Finished difference Result 314 states and 588 transitions. [2022-03-01 17:03:45,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-01 17:03:45,672 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:45,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:45,673 INFO L225 Difference]: With dead ends: 314 [2022-03-01 17:03:45,673 INFO L226 Difference]: Without dead ends: 171 [2022-03-01 17:03:45,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=549, Invalid=2873, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 17:03:45,673 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 429 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:45,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [429 Valid, 1084 Invalid, 1074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 17:03:45,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-03-01 17:03:45,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2022-03-01 17:03:45,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 170 states have (on average 1.8294117647058823) internal successors, (311), 170 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:45,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 311 transitions. [2022-03-01 17:03:45,676 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 311 transitions. Word has length 64 [2022-03-01 17:03:45,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:45,677 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 311 transitions. [2022-03-01 17:03:45,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 311 transitions. [2022-03-01 17:03:45,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:45,677 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:45,677 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] [2022-03-01 17:03:45,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-01 17:03:45,678 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:45,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:45,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1458035153, now seen corresponding path program 18 times [2022-03-01 17:03:45,678 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:45,678 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791871977] [2022-03-01 17:03:45,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:45,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:46,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:46,029 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:46,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791871977] [2022-03-01 17:03:46,030 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791871977] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:46,030 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:46,030 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 17:03:46,030 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494806811] [2022-03-01 17:03:46,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:46,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 17:03:46,030 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:46,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 17:03:46,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2022-03-01 17:03:46,031 INFO L87 Difference]: Start difference. First operand 171 states and 311 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:47,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:47,240 INFO L93 Difference]: Finished difference Result 315 states and 588 transitions. [2022-03-01 17:03:47,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-01 17:03:47,240 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:47,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:47,241 INFO L225 Difference]: With dead ends: 315 [2022-03-01 17:03:47,241 INFO L226 Difference]: Without dead ends: 165 [2022-03-01 17:03:47,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=549, Invalid=2873, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 17:03:47,242 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 394 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 1087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:47,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [394 Valid, 1077 Invalid, 1087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-01 17:03:47,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-03-01 17:03:47,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2022-03-01 17:03:47,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 1.8231707317073171) internal successors, (299), 164 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 299 transitions. [2022-03-01 17:03:47,245 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 299 transitions. Word has length 64 [2022-03-01 17:03:47,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:47,245 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 299 transitions. [2022-03-01 17:03:47,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:47,245 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 299 transitions. [2022-03-01 17:03:47,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 17:03:47,246 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:03:47,246 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] [2022-03-01 17:03:47,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-01 17:03:47,246 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-01 17:03:47,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:03:47,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1311089425, now seen corresponding path program 19 times [2022-03-01 17:03:47,247 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:03:47,247 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071686350] [2022-03-01 17:03:47,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:03:47,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:03:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 17:03:47,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 17:03:47,637 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 17:03:47,637 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071686350] [2022-03-01 17:03:47,637 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071686350] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 17:03:47,637 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 17:03:47,637 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-03-01 17:03:47,637 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101026674] [2022-03-01 17:03:47,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 17:03:47,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-01 17:03:47,638 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 17:03:47,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-01 17:03:47,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2022-03-01 17:03:47,638 INFO L87 Difference]: Start difference. First operand 165 states and 299 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:48,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 17:03:48,817 INFO L93 Difference]: Finished difference Result 164 states and 298 transitions. [2022-03-01 17:03:48,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-01 17:03:48,817 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-03-01 17:03:48,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 17:03:48,818 INFO L225 Difference]: With dead ends: 164 [2022-03-01 17:03:48,818 INFO L226 Difference]: Without dead ends: 0 [2022-03-01 17:03:48,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=549, Invalid=2873, Unknown=0, NotChecked=0, Total=3422 [2022-03-01 17:03:48,818 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 322 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 17:03:48,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 898 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 17:03:48,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-01 17:03:48,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-01 17:03:48,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:48,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-01 17:03:48,819 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2022-03-01 17:03:48,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 17:03:48,820 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-01 17:03:48,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 17:03:48,820 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-01 17:03:48,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-01 17:03:48,822 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr0ASSERT_VIOLATIONASSERT (5 of 6 remaining) [2022-03-01 17:03:48,822 INFO L764 garLoopResultBuilder]: Registering result SAFE for location fooErr2INUSE_VIOLATION (4 of 6 remaining) [2022-03-01 17:03:48,822 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 6 remaining) [2022-03-01 17:03:48,823 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2022-03-01 17:03:48,823 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr0ASSERT_VIOLATIONASSERT (1 of 6 remaining) [2022-03-01 17:03:48,823 INFO L764 garLoopResultBuilder]: Registering result SAFE for location fooThread1of1ForFork0Err0INUSE_VIOLATION (0 of 6 remaining) [2022-03-01 17:03:48,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-01 17:03:48,825 INFO L732 BasicCegarLoop]: Path program histogram: [19, 1] [2022-03-01 17:03:48,828 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 17:03:48,828 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 17:03:48,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 05:03:48 BasicIcfg [2022-03-01 17:03:48,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 17:03:48,831 INFO L158 Benchmark]: Toolchain (without parser) took 41487.69ms. Allocated memory was 194.0MB in the beginning and 412.1MB in the end (delta: 218.1MB). Free memory was 135.1MB in the beginning and 218.8MB in the end (delta: -83.7MB). Peak memory consumption was 135.4MB. Max. memory is 8.0GB. [2022-03-01 17:03:48,831 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 194.0MB. Free memory is still 153.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 17:03:48,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.26ms. Allocated memory was 194.0MB in the beginning and 282.1MB in the end (delta: 88.1MB). Free memory was 134.9MB in the beginning and 251.7MB in the end (delta: -116.8MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. [2022-03-01 17:03:48,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.12ms. Allocated memory is still 282.1MB. Free memory was 251.3MB in the beginning and 250.0MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 17:03:48,832 INFO L158 Benchmark]: Boogie Preprocessor took 26.14ms. Allocated memory is still 282.1MB. Free memory was 250.0MB in the beginning and 248.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 17:03:48,832 INFO L158 Benchmark]: RCFGBuilder took 273.84ms. Allocated memory is still 282.1MB. Free memory was 248.6MB in the beginning and 236.4MB in the end (delta: 12.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-01 17:03:48,832 INFO L158 Benchmark]: TraceAbstraction took 40945.68ms. Allocated memory was 282.1MB in the beginning and 412.1MB in the end (delta: 130.0MB). Free memory was 236.0MB in the beginning and 218.8MB in the end (delta: 17.2MB). Peak memory consumption was 148.1MB. Max. memory is 8.0GB. [2022-03-01 17:03:48,833 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 194.0MB. Free memory is still 153.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 212.26ms. Allocated memory was 194.0MB in the beginning and 282.1MB in the end (delta: 88.1MB). Free memory was 134.9MB in the beginning and 251.7MB in the end (delta: -116.8MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.12ms. Allocated memory is still 282.1MB. Free memory was 251.3MB in the beginning and 250.0MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.14ms. Allocated memory is still 282.1MB. Free memory was 250.0MB in the beginning and 248.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 273.84ms. Allocated memory is still 282.1MB. Free memory was 248.6MB in the beginning and 236.4MB in the end (delta: 12.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 40945.68ms. Allocated memory was 282.1MB in the beginning and 412.1MB in the end (delta: 130.0MB). Free memory was 236.0MB in the beginning and 218.8MB in the end (delta: 17.2MB). Peak memory consumption was 148.1MB. 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 - PositiveResult [Line: 19]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 45]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 119 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 40.8s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 19, EmptinessCheckTime: 0.0s, AutomataDifference: 31.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7568 SdHoareTripleChecker+Valid, 10.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7568 mSDsluCounter, 26383 SdHoareTripleChecker+Invalid, 8.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24887 mSDsCounter, 993 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23642 IncrementalHoareTripleChecker+Invalid, 24635 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 993 mSolverCounterUnsat, 1587 mSDtfsCounter, 23642 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1162 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9271 ImplicationChecksByTransitivity, 26.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=386occurred in iteration=0, InterpolantAutomatonStates: 713, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 1245 NumberOfCodeBlocks, 1245 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1225 ConstructedInterpolants, 0 QuantifiedInterpolants, 13116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-01 17:03:48,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...