/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-44898dd [2022-02-15 12:59:34,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 12:59:34,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 12:59:34,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 12:59:35,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 12:59:35,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 12:59:35,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 12:59:35,017 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 [2022-02-15 12:59:35,034 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 12:59:35,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 12:59:35,034 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 12:59:35,035 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 12:59:35,035 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 12:59:35,035 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 12:59:35,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 12:59:35,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 12:59:35,036 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 12:59:35,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 12:59:35,037 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 12:59:35,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 12:59:35,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 12:59:35,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 12:59:35,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 12:59:35,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 12:59:35,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 12:59:35,038 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 12:59:35,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 12:59:35,039 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 12:59:35,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 12:59:35,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 12:59:35,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 12:59:35,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 12:59:35,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 12:59:35,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 12:59:35,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 12:59:35,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 12:59:35,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 12:59:35,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 12:59:35,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 12:59:35,041 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 12:59:35,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 12:59:35,041 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 12:59:35,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 12:59:35,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 12:59:35,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 12:59:35,266 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 12:59:35,268 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 12:59:35,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkFork.c [2022-02-15 12:59:35,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fc4f2f80/7258de0239ee48c4887074cd0f4711f3/FLAGd61a1ede2 [2022-02-15 12:59:35,687 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 12:59:35,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkFork.c [2022-02-15 12:59:35,688 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-15 12:59:35,689 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-15 12:59:35,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fc4f2f80/7258de0239ee48c4887074cd0f4711f3/FLAGd61a1ede2 [2022-02-15 12:59:35,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fc4f2f80/7258de0239ee48c4887074cd0f4711f3 [2022-02-15 12:59:35,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 12:59:35,728 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 12:59:35,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 12:59:35,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 12:59:35,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 12:59:35,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:59:35" (1/1) ... [2022-02-15 12:59:35,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486e66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:59:35, skipping insertion in model container [2022-02-15 12:59:35,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:59:35" (1/1) ... [2022-02-15 12:59:35,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 12:59:35,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 12:59:35,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 12:59:35,908 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 12:59:35,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 12:59:35,929 INFO L208 MainTranslator]: Completed translation [2022-02-15 12:59:35,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:59:35 WrapperNode [2022-02-15 12:59:35,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 12:59:35,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 12:59:35,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 12:59:35,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 12:59:35,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:59:35" (1/1) ... [2022-02-15 12:59:35,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:59:35" (1/1) ... [2022-02-15 12:59:35,963 INFO L137 Inliner]: procedures = 12, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2022-02-15 12:59:35,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 12:59:35,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 12:59:35,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 12:59:35,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 12:59:35,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:59:35" (1/1) ... [2022-02-15 12:59:35,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:59:35" (1/1) ... [2022-02-15 12:59:35,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:59:35" (1/1) ... [2022-02-15 12:59:35,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:59:35" (1/1) ... [2022-02-15 12:59:35,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:59:35" (1/1) ... [2022-02-15 12:59:35,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:59:35" (1/1) ... [2022-02-15 12:59:35,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:59:35" (1/1) ... [2022-02-15 12:59:35,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 12:59:35,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 12:59:35,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 12:59:35,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 12:59:36,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:59:35" (1/1) ... [2022-02-15 12:59:36,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 12:59:36,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 12:59:36,032 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) [2022-02-15 12:59:36,041 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 [2022-02-15 12:59:36,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-15 12:59:36,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 12:59:36,067 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2022-02-15 12:59:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2022-02-15 12:59:36,068 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-02-15 12:59:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-02-15 12:59:36,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 12:59:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 12:59:36,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 12:59:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 12:59:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-15 12:59:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 12:59:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 12:59:36,074 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 12:59:36,141 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 12:59:36,142 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 12:59:36,271 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 12:59:36,287 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 12:59:36,287 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 12:59:36,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:59:36 BoogieIcfgContainer [2022-02-15 12:59:36,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 12:59:36,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 12:59:36,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 12:59:36,305 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 12:59:36,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 12:59:35" (1/3) ... [2022-02-15 12:59:36,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ecd254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:59:36, skipping insertion in model container [2022-02-15 12:59:36,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:59:35" (2/3) ... [2022-02-15 12:59:36,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ecd254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:59:36, skipping insertion in model container [2022-02-15 12:59:36,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:59:36" (3/3) ... [2022-02-15 12:59:36,307 INFO L111 eAbstractionObserver]: Analyzing ICFG forkFork.c [2022-02-15 12:59:36,311 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 12:59:36,311 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 12:59:36,311 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-15 12:59:36,311 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 12:59:36,381 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,382 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,382 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,382 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,382 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,382 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,382 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,383 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,383 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,383 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,383 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,383 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,383 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,384 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,384 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,384 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,384 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,384 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,384 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,385 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,385 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,385 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,385 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,385 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,385 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,386 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,386 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,386 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,386 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,386 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,387 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,387 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,387 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,387 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,387 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,388 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,388 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,388 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,388 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,388 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,388 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,389 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,389 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,389 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,390 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,390 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,390 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,390 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,390 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,391 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,391 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,391 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,391 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,391 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,392 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,392 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,392 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,392 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,393 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,393 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,393 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,393 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,393 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,393 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,394 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,394 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,395 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,395 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,395 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,395 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,395 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,396 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,396 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,396 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,396 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,396 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,397 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,397 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,397 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,398 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,398 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,398 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,398 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,399 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,399 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,399 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,400 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,400 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,400 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,401 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,401 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,401 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,401 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,401 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,401 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,401 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,402 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,402 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,402 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,403 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,403 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,403 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,403 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,403 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,404 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,404 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,404 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,404 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,404 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,404 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,405 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,405 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,405 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,405 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,405 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,405 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,405 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,405 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,406 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,406 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,406 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,406 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,406 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,406 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,407 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,407 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,407 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,407 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,407 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,407 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,407 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,408 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,408 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,408 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,408 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,408 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,408 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,409 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,409 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,409 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,409 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,409 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,412 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,412 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,413 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,413 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,413 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,413 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,413 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,413 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,413 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,414 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,414 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,414 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,414 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,414 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,414 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,414 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,415 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,417 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,417 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,417 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,418 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,418 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,418 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,418 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,418 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,418 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,419 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,419 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,419 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,420 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,420 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,420 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,420 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,420 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,420 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:59:36,428 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-02-15 12:59:36,462 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 12:59:36,467 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 [2022-02-15 12:59:36,468 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-15 12:59:36,477 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 97 places, 90 transitions, 199 flow [2022-02-15 12:59:36,525 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) [2022-02-15 12:59:36,529 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) [2022-02-15 12:59:36,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-15 12:59:36,536 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:59:36,536 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] [2022-02-15 12:59:36,537 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting barErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 12:59:36,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:59:36,541 INFO L85 PathProgramCache]: Analyzing trace with hash 496504008, now seen corresponding path program 1 times [2022-02-15 12:59:36,548 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:59:36,548 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592401797] [2022-02-15 12:59:36,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:59:36,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:59:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:59:37,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:59:37,055 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:59:37,055 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592401797] [2022-02-15 12:59:37,056 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592401797] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:59:37,056 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:59:37,056 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-02-15 12:59:37,057 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018248448] [2022-02-15 12:59:37,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:59:37,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-15 12:59:37,064 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:59:37,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-15 12:59:37,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2022-02-15 12:59:37,102 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) [2022-02-15 12:59:37,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:59:37,767 INFO L93 Difference]: Finished difference Result 366 states and 803 transitions. [2022-02-15 12:59:37,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-15 12:59:37,769 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 [2022-02-15 12:59:37,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:59:37,779 INFO L225 Difference]: With dead ends: 366 [2022-02-15 12:59:37,779 INFO L226 Difference]: Without dead ends: 366 [2022-02-15 12:59:37,781 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 [2022-02-15 12:59:37,784 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 [2022-02-15 12:59:37,785 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] [2022-02-15 12:59:37,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-02-15 12:59:37,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2022-02-15 12:59:37,835 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) [2022-02-15 12:59:37,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 803 transitions. [2022-02-15 12:59:37,838 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 803 transitions. Word has length 29 [2022-02-15 12:59:37,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:59:37,839 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 803 transitions. [2022-02-15 12:59:37,839 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) [2022-02-15 12:59:37,839 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 803 transitions. [2022-02-15 12:59:37,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 12:59:37,843 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:59:37,843 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] [2022-02-15 12:59:37,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 12:59:37,843 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 12:59:37,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:59:37,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1725141537, now seen corresponding path program 1 times [2022-02-15 12:59:37,844 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:59:37,844 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521652100] [2022-02-15 12:59:37,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:59:37,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:59:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:59:38,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:59:38,545 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:59:38,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521652100] [2022-02-15 12:59:38,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521652100] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:59:38,545 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:59:38,545 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-02-15 12:59:38,545 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687165053] [2022-02-15 12:59:38,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:59:38,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 12:59:38,547 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:59:38,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 12:59:38,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2022-02-15 12:59:38,548 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) [2022-02-15 12:59:40,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:59:40,231 INFO L93 Difference]: Finished difference Result 436 states and 909 transitions. [2022-02-15 12:59:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-15 12:59:40,232 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 [2022-02-15 12:59:40,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:59:40,234 INFO L225 Difference]: With dead ends: 436 [2022-02-15 12:59:40,234 INFO L226 Difference]: Without dead ends: 386 [2022-02-15 12:59:40,236 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 [2022-02-15 12:59:40,237 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 [2022-02-15 12:59:40,237 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] [2022-02-15 12:59:40,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-02-15 12:59:40,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 366. [2022-02-15 12:59:40,252 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) [2022-02-15 12:59:40,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 795 transitions. [2022-02-15 12:59:40,254 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 795 transitions. Word has length 64 [2022-02-15 12:59:40,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:59:40,254 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 795 transitions. [2022-02-15 12:59:40,254 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) [2022-02-15 12:59:40,255 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 795 transitions. [2022-02-15 12:59:40,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 12:59:40,257 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:59:40,258 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] [2022-02-15 12:59:40,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 12:59:40,258 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 12:59:40,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:59:40,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1261193569, now seen corresponding path program 2 times [2022-02-15 12:59:40,259 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:59:40,259 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18117535] [2022-02-15 12:59:40,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:59:40,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:59:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:59:40,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:59:40,780 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:59:40,781 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18117535] [2022-02-15 12:59:40,781 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18117535] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:59:40,781 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:59:40,781 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-02-15 12:59:40,781 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921319952] [2022-02-15 12:59:40,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:59:40,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 12:59:40,782 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:59:40,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 12:59:40,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-02-15 12:59:40,783 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) [2022-02-15 12:59:42,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:59:42,732 INFO L93 Difference]: Finished difference Result 390 states and 824 transitions. [2022-02-15 12:59:42,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-15 12:59:42,733 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 [2022-02-15 12:59:42,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:59:42,735 INFO L225 Difference]: With dead ends: 390 [2022-02-15 12:59:42,735 INFO L226 Difference]: Without dead ends: 366 [2022-02-15 12:59:42,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=546, Invalid=2876, Unknown=0, NotChecked=0, Total=3422 [2022-02-15 12:59:42,737 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 318 mSDsluCounter, 1498 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-02-15 12:59:42,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [318 Valid, 1596 Invalid, 1389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1337 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-15 12:59:42,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-02-15 12:59:42,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2022-02-15 12:59:42,747 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) [2022-02-15 12:59:42,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 793 transitions. [2022-02-15 12:59:42,749 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 793 transitions. Word has length 64 [2022-02-15 12:59:42,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:59:42,749 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 793 transitions. [2022-02-15 12:59:42,750 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) [2022-02-15 12:59:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 793 transitions. [2022-02-15 12:59:42,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 12:59:42,752 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:59:42,752 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] [2022-02-15 12:59:42,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 12:59:42,753 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 12:59:42,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:59:42,753 INFO L85 PathProgramCache]: Analyzing trace with hash -375055797, now seen corresponding path program 3 times [2022-02-15 12:59:42,753 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:59:42,754 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703987832] [2022-02-15 12:59:42,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:59:42,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:59:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:59:43,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:59:43,311 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:59:43,311 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703987832] [2022-02-15 12:59:43,311 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703987832] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:59:43,312 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:59:43,312 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-02-15 12:59:43,312 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421535125] [2022-02-15 12:59:43,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:59:43,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-15 12:59:43,312 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:59:43,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-15 12:59:43,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=750, Unknown=0, NotChecked=0, Total=812 [2022-02-15 12:59:43,313 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) [2022-02-15 12:59:45,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:59:45,818 INFO L93 Difference]: Finished difference Result 386 states and 816 transitions. [2022-02-15 12:59:45,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-15 12:59:45,819 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 [2022-02-15 12:59:45,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:59:45,821 INFO L225 Difference]: With dead ends: 386 [2022-02-15 12:59:45,821 INFO L226 Difference]: Without dead ends: 366 [2022-02-15 12:59:45,822 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 [2022-02-15 12:59:45,823 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 [2022-02-15 12:59:45,823 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] [2022-02-15 12:59:45,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-02-15 12:59:45,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2022-02-15 12:59:45,832 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) [2022-02-15 12:59:45,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 791 transitions. [2022-02-15 12:59:45,834 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 791 transitions. Word has length 64 [2022-02-15 12:59:45,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:59:45,834 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 791 transitions. [2022-02-15 12:59:45,834 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) [2022-02-15 12:59:45,834 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 791 transitions. [2022-02-15 12:59:45,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 12:59:45,836 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:59:45,836 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] [2022-02-15 12:59:45,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 12:59:45,836 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 12:59:45,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:59:45,837 INFO L85 PathProgramCache]: Analyzing trace with hash 224142283, now seen corresponding path program 4 times [2022-02-15 12:59:45,837 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:59:45,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723064398] [2022-02-15 12:59:45,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:59:45,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:59:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:59:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:59:46,373 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:59:46,373 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723064398] [2022-02-15 12:59:46,373 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723064398] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:59:46,373 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:59:46,373 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-02-15 12:59:46,373 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755722916] [2022-02-15 12:59:46,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:59:46,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-15 12:59:46,376 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:59:46,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-15 12:59:46,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=803, Unknown=0, NotChecked=0, Total=870 [2022-02-15 12:59:46,377 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) [2022-02-15 12:59:48,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:59:48,187 INFO L93 Difference]: Finished difference Result 382 states and 808 transitions. [2022-02-15 12:59:48,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-15 12:59:48,188 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 [2022-02-15 12:59:48,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:59:48,190 INFO L225 Difference]: With dead ends: 382 [2022-02-15 12:59:48,190 INFO L226 Difference]: Without dead ends: 345 [2022-02-15 12:59:48,191 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=604, Invalid=3556, Unknown=0, NotChecked=0, Total=4160 [2022-02-15 12:59:48,192 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 393 mSDsluCounter, 1570 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-02-15 12:59:48,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [393 Valid, 1663 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1490 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-15 12:59:48,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2022-02-15 12:59:48,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2022-02-15 12:59:48,199 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) [2022-02-15 12:59:48,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 753 transitions. [2022-02-15 12:59:48,201 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 753 transitions. Word has length 64 [2022-02-15 12:59:48,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:59:48,201 INFO L470 AbstractCegarLoop]: Abstraction has 345 states and 753 transitions. [2022-02-15 12:59:48,201 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) [2022-02-15 12:59:48,201 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 753 transitions. [2022-02-15 12:59:48,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 12:59:48,202 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:59:48,202 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] [2022-02-15 12:59:48,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 12:59:48,203 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 12:59:48,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:59:48,203 INFO L85 PathProgramCache]: Analyzing trace with hash -98358559, now seen corresponding path program 5 times [2022-02-15 12:59:48,203 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:59:48,203 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191631822] [2022-02-15 12:59:48,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:59:48,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:59:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:59:48,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:59:48,653 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:59:48,653 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191631822] [2022-02-15 12:59:48,653 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191631822] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:59:48,653 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:59:48,654 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-02-15 12:59:48,654 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5628775] [2022-02-15 12:59:48,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:59:48,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 12:59:48,654 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:59:48,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 12:59:48,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-02-15 12:59:48,655 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) [2022-02-15 12:59:50,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:59:50,305 INFO L93 Difference]: Finished difference Result 371 states and 785 transitions. [2022-02-15 12:59:50,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-15 12:59:50,306 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 [2022-02-15 12:59:50,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:59:50,307 INFO L225 Difference]: With dead ends: 371 [2022-02-15 12:59:50,307 INFO L226 Difference]: Without dead ends: 342 [2022-02-15 12:59:50,308 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 [2022-02-15 12:59:50,309 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 325 mSDsluCounter, 1422 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-02-15 12:59:50,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [325 Valid, 1513 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-15 12:59:50,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2022-02-15 12:59:50,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2022-02-15 12:59:50,316 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) [2022-02-15 12:59:50,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 747 transitions. [2022-02-15 12:59:50,317 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 747 transitions. Word has length 64 [2022-02-15 12:59:50,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:59:50,317 INFO L470 AbstractCegarLoop]: Abstraction has 342 states and 747 transitions. [2022-02-15 12:59:50,318 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) [2022-02-15 12:59:50,318 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 747 transitions. [2022-02-15 12:59:50,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 12:59:50,319 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:59:50,319 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] [2022-02-15 12:59:50,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 12:59:50,319 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 12:59:50,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:59:50,320 INFO L85 PathProgramCache]: Analyzing trace with hash 695162699, now seen corresponding path program 6 times [2022-02-15 12:59:50,320 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:59:50,320 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991415500] [2022-02-15 12:59:50,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:59:50,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:59:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:59:50,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:59:50,768 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:59:50,768 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991415500] [2022-02-15 12:59:50,768 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991415500] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:59:50,768 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:59:50,768 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-02-15 12:59:50,768 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194462620] [2022-02-15 12:59:50,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:59:50,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 12:59:50,769 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:59:50,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 12:59:50,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-02-15 12:59:50,769 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) [2022-02-15 12:59:52,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:59:52,566 INFO L93 Difference]: Finished difference Result 374 states and 788 transitions. [2022-02-15 12:59:52,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-15 12:59:52,567 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 [2022-02-15 12:59:52,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:59:52,569 INFO L225 Difference]: With dead ends: 374 [2022-02-15 12:59:52,569 INFO L226 Difference]: Without dead ends: 333 [2022-02-15 12:59:52,570 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 [2022-02-15 12:59:52,571 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 [2022-02-15 12:59:52,571 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] [2022-02-15 12:59:52,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2022-02-15 12:59:52,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2022-02-15 12:59:52,577 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) [2022-02-15 12:59:52,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 729 transitions. [2022-02-15 12:59:52,579 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 729 transitions. Word has length 64 [2022-02-15 12:59:52,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:59:52,579 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 729 transitions. [2022-02-15 12:59:52,579 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) [2022-02-15 12:59:52,579 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 729 transitions. [2022-02-15 12:59:52,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 12:59:52,580 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:59:52,580 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] [2022-02-15 12:59:52,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 12:59:52,581 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 12:59:52,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:59:52,581 INFO L85 PathProgramCache]: Analyzing trace with hash 2022697791, now seen corresponding path program 7 times [2022-02-15 12:59:52,581 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:59:52,581 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708687613] [2022-02-15 12:59:52,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:59:52,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:59:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:59:53,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:59:53,009 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:59:53,009 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708687613] [2022-02-15 12:59:53,009 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708687613] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:59:53,009 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:59:53,009 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-02-15 12:59:53,009 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841853442] [2022-02-15 12:59:53,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:59:53,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 12:59:53,010 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:59:53,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 12:59:53,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2022-02-15 12:59:53,010 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) [2022-02-15 12:59:54,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:59:54,342 INFO L93 Difference]: Finished difference Result 367 states and 773 transitions. [2022-02-15 12:59:54,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-15 12:59:54,342 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 [2022-02-15 12:59:54,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:59:54,344 INFO L225 Difference]: With dead ends: 367 [2022-02-15 12:59:54,344 INFO L226 Difference]: Without dead ends: 306 [2022-02-15 12:59:54,345 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 [2022-02-15 12:59:54,345 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 [2022-02-15 12:59:54,346 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] [2022-02-15 12:59:54,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-02-15 12:59:54,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2022-02-15 12:59:54,352 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) [2022-02-15 12:59:54,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 662 transitions. [2022-02-15 12:59:54,353 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 662 transitions. Word has length 64 [2022-02-15 12:59:54,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:59:54,353 INFO L470 AbstractCegarLoop]: Abstraction has 306 states and 662 transitions. [2022-02-15 12:59:54,353 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) [2022-02-15 12:59:54,353 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 662 transitions. [2022-02-15 12:59:54,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 12:59:54,354 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:59:54,354 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] [2022-02-15 12:59:54,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 12:59:54,354 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 12:59:54,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:59:54,355 INFO L85 PathProgramCache]: Analyzing trace with hash -83071485, now seen corresponding path program 8 times [2022-02-15 12:59:54,355 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:59:54,355 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811881829] [2022-02-15 12:59:54,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:59:54,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:59:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:59:54,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:59:54,778 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:59:54,778 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811881829] [2022-02-15 12:59:54,778 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811881829] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:59:54,778 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:59:54,778 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-02-15 12:59:54,778 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556703657] [2022-02-15 12:59:54,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:59:54,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 12:59:54,779 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:59:54,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 12:59:54,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-02-15 12:59:54,780 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) [2022-02-15 12:59:56,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:59:56,492 INFO L93 Difference]: Finished difference Result 372 states and 774 transitions. [2022-02-15 12:59:56,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-15 12:59:56,492 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 [2022-02-15 12:59:56,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:59:56,504 INFO L225 Difference]: With dead ends: 372 [2022-02-15 12:59:56,505 INFO L226 Difference]: Without dead ends: 282 [2022-02-15 12:59:56,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=555, Invalid=2985, Unknown=0, NotChecked=0, Total=3540 [2022-02-15 12:59:56,506 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 391 mSDsluCounter, 1410 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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 [2022-02-15 12:59:56,506 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] [2022-02-15 12:59:56,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-02-15 12:59:56,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-02-15 12:59:56,513 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) [2022-02-15 12:59:56,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 596 transitions. [2022-02-15 12:59:56,514 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 596 transitions. Word has length 64 [2022-02-15 12:59:56,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:59:56,514 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 596 transitions. [2022-02-15 12:59:56,514 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) [2022-02-15 12:59:56,515 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 596 transitions. [2022-02-15 12:59:56,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 12:59:56,515 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:59:56,515 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] [2022-02-15 12:59:56,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 12:59:56,516 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 12:59:56,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:59:56,516 INFO L85 PathProgramCache]: Analyzing trace with hash -292453309, now seen corresponding path program 9 times [2022-02-15 12:59:56,516 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:59:56,517 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016520596] [2022-02-15 12:59:56,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:59:56,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:59:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:59:56,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:59:56,967 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:59:56,967 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016520596] [2022-02-15 12:59:56,967 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016520596] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:59:56,968 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:59:56,968 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-02-15 12:59:56,968 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477798472] [2022-02-15 12:59:56,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:59:56,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 12:59:56,968 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:59:56,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 12:59:56,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=647, Unknown=0, NotChecked=0, Total=702 [2022-02-15 12:59:56,969 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) [2022-02-15 12:59:58,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:59:58,693 INFO L93 Difference]: Finished difference Result 356 states and 726 transitions. [2022-02-15 12:59:58,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-15 12:59:58,693 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 [2022-02-15 12:59:58,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:59:58,694 INFO L225 Difference]: With dead ends: 356 [2022-02-15 12:59:58,694 INFO L226 Difference]: Without dead ends: 270 [2022-02-15 12:59:58,695 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 [2022-02-15 12:59:58,695 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 [2022-02-15 12:59:58,696 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] [2022-02-15 12:59:58,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-02-15 12:59:58,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2022-02-15 12:59:58,701 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) [2022-02-15 12:59:58,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 563 transitions. [2022-02-15 12:59:58,701 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 563 transitions. Word has length 64 [2022-02-15 12:59:58,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:59:58,702 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 563 transitions. [2022-02-15 12:59:58,702 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) [2022-02-15 12:59:58,702 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 563 transitions. [2022-02-15 12:59:58,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 12:59:58,705 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:59:58,705 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] [2022-02-15 12:59:58,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-15 12:59:58,706 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 12:59:58,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:59:58,706 INFO L85 PathProgramCache]: Analyzing trace with hash -899856169, now seen corresponding path program 10 times [2022-02-15 12:59:58,706 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:59:58,707 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852795482] [2022-02-15 12:59:58,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:59:58,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:59:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:59:59,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:59:59,101 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:59:59,101 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852795482] [2022-02-15 12:59:59,102 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852795482] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:59:59,102 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:59:59,102 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-02-15 12:59:59,102 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000360663] [2022-02-15 12:59:59,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:59:59,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 12:59:59,102 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:59:59,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 12:59:59,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=648, Unknown=0, NotChecked=0, Total=702 [2022-02-15 12:59:59,103 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) [2022-02-15 13:00:00,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 13:00:00,753 INFO L93 Difference]: Finished difference Result 352 states and 711 transitions. [2022-02-15 13:00:00,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-15 13:00:00,753 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 [2022-02-15 13:00:00,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 13:00:00,754 INFO L225 Difference]: With dead ends: 352 [2022-02-15 13:00:00,754 INFO L226 Difference]: Without dead ends: 258 [2022-02-15 13:00:00,755 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 [2022-02-15 13:00:00,756 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 403 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2022-02-15 13:00:00,756 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] [2022-02-15 13:00:00,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-02-15 13:00:00,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2022-02-15 13:00:00,761 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) [2022-02-15 13:00:00,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 530 transitions. [2022-02-15 13:00:00,761 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 530 transitions. Word has length 64 [2022-02-15 13:00:00,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 13:00:00,762 INFO L470 AbstractCegarLoop]: Abstraction has 258 states and 530 transitions. [2022-02-15 13:00:00,762 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) [2022-02-15 13:00:00,762 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 530 transitions. [2022-02-15 13:00:00,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 13:00:00,762 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 13:00:00,762 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] [2022-02-15 13:00:00,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-15 13:00:00,763 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 13:00:00,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 13:00:00,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1359682179, now seen corresponding path program 11 times [2022-02-15 13:00:00,763 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 13:00:00,763 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375505961] [2022-02-15 13:00:00,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 13:00:00,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 13:00:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 13:00:01,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 13:00:01,185 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 13:00:01,186 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375505961] [2022-02-15 13:00:01,186 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375505961] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 13:00:01,186 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 13:00:01,186 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-02-15 13:00:01,186 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469260454] [2022-02-15 13:00:01,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 13:00:01,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 13:00:01,186 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 13:00:01,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 13:00:01,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=649, Unknown=0, NotChecked=0, Total=702 [2022-02-15 13:00:01,187 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) [2022-02-15 13:00:02,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 13:00:02,879 INFO L93 Difference]: Finished difference Result 356 states and 714 transitions. [2022-02-15 13:00:02,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-15 13:00:02,880 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 [2022-02-15 13:00:02,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 13:00:02,880 INFO L225 Difference]: With dead ends: 356 [2022-02-15 13:00:02,880 INFO L226 Difference]: Without dead ends: 234 [2022-02-15 13:00:02,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=543, Invalid=2997, Unknown=0, NotChecked=0, Total=3540 [2022-02-15 13:00:02,881 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 [2022-02-15 13:00:02,882 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] [2022-02-15 13:00:02,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-02-15 13:00:02,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2022-02-15 13:00:02,886 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) [2022-02-15 13:00:02,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 464 transitions. [2022-02-15 13:00:02,887 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 464 transitions. Word has length 64 [2022-02-15 13:00:02,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 13:00:02,887 INFO L470 AbstractCegarLoop]: Abstraction has 234 states and 464 transitions. [2022-02-15 13:00:02,887 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) [2022-02-15 13:00:02,887 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 464 transitions. [2022-02-15 13:00:02,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 13:00:02,888 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 13:00:02,888 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] [2022-02-15 13:00:02,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-15 13:00:02,888 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 13:00:02,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 13:00:02,888 INFO L85 PathProgramCache]: Analyzing trace with hash -678660247, now seen corresponding path program 12 times [2022-02-15 13:00:02,888 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 13:00:02,888 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106042541] [2022-02-15 13:00:02,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 13:00:02,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 13:00:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 13:00:03,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 13:00:03,375 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 13:00:03,376 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106042541] [2022-02-15 13:00:03,376 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106042541] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 13:00:03,376 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 13:00:03,376 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-02-15 13:00:03,376 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051603503] [2022-02-15 13:00:03,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 13:00:03,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 13:00:03,376 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 13:00:03,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 13:00:03,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=649, Unknown=0, NotChecked=0, Total=702 [2022-02-15 13:00:03,377 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) [2022-02-15 13:00:04,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 13:00:04,662 INFO L93 Difference]: Finished difference Result 340 states and 666 transitions. [2022-02-15 13:00:04,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-15 13:00:04,663 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 [2022-02-15 13:00:04,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 13:00:04,664 INFO L225 Difference]: With dead ends: 340 [2022-02-15 13:00:04,664 INFO L226 Difference]: Without dead ends: 222 [2022-02-15 13:00:04,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=517, Invalid=2905, Unknown=0, NotChecked=0, Total=3422 [2022-02-15 13:00:04,665 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 [2022-02-15 13:00:04,665 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] [2022-02-15 13:00:04,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-02-15 13:00:04,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2022-02-15 13:00:04,669 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) [2022-02-15 13:00:04,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 431 transitions. [2022-02-15 13:00:04,670 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 431 transitions. Word has length 64 [2022-02-15 13:00:04,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 13:00:04,670 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 431 transitions. [2022-02-15 13:00:04,670 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) [2022-02-15 13:00:04,670 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 431 transitions. [2022-02-15 13:00:04,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 13:00:04,670 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 13:00:04,671 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] [2022-02-15 13:00:04,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-15 13:00:04,671 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 13:00:04,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 13:00:04,671 INFO L85 PathProgramCache]: Analyzing trace with hash -589632081, now seen corresponding path program 13 times [2022-02-15 13:00:04,671 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 13:00:04,671 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301141553] [2022-02-15 13:00:04,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 13:00:04,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 13:00:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 13:00:05,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 13:00:05,042 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 13:00:05,042 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301141553] [2022-02-15 13:00:05,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301141553] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 13:00:05,042 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 13:00:05,042 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-02-15 13:00:05,042 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939204348] [2022-02-15 13:00:05,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 13:00:05,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 13:00:05,043 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 13:00:05,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 13:00:05,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-02-15 13:00:05,043 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) [2022-02-15 13:00:06,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 13:00:06,612 INFO L93 Difference]: Finished difference Result 336 states and 651 transitions. [2022-02-15 13:00:06,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-15 13:00:06,612 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 [2022-02-15 13:00:06,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 13:00:06,613 INFO L225 Difference]: With dead ends: 336 [2022-02-15 13:00:06,613 INFO L226 Difference]: Without dead ends: 210 [2022-02-15 13:00:06,614 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 [2022-02-15 13:00:06,614 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 [2022-02-15 13:00:06,615 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] [2022-02-15 13:00:06,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2022-02-15 13:00:06,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2022-02-15 13:00:06,618 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) [2022-02-15 13:00:06,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 398 transitions. [2022-02-15 13:00:06,619 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 398 transitions. Word has length 64 [2022-02-15 13:00:06,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 13:00:06,619 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 398 transitions. [2022-02-15 13:00:06,619 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) [2022-02-15 13:00:06,619 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 398 transitions. [2022-02-15 13:00:06,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 13:00:06,620 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 13:00:06,620 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] [2022-02-15 13:00:06,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-15 13:00:06,620 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 13:00:06,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 13:00:06,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1681520809, now seen corresponding path program 14 times [2022-02-15 13:00:06,620 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 13:00:06,621 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553566834] [2022-02-15 13:00:06,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 13:00:06,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 13:00:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 13:00:06,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 13:00:06,979 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 13:00:06,979 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553566834] [2022-02-15 13:00:06,979 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553566834] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 13:00:06,979 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 13:00:06,979 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-02-15 13:00:06,980 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948977360] [2022-02-15 13:00:06,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 13:00:06,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 13:00:06,980 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 13:00:06,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 13:00:06,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2022-02-15 13:00:06,981 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) [2022-02-15 13:00:08,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 13:00:08,106 INFO L93 Difference]: Finished difference Result 332 states and 636 transitions. [2022-02-15 13:00:08,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-15 13:00:08,107 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 [2022-02-15 13:00:08,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 13:00:08,107 INFO L225 Difference]: With dead ends: 332 [2022-02-15 13:00:08,108 INFO L226 Difference]: Without dead ends: 198 [2022-02-15 13:00:08,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=547, Invalid=2875, Unknown=0, NotChecked=0, Total=3422 [2022-02-15 13:00:08,109 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 [2022-02-15 13:00:08,109 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] [2022-02-15 13:00:08,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2022-02-15 13:00:08,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2022-02-15 13:00:08,113 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) [2022-02-15 13:00:08,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 365 transitions. [2022-02-15 13:00:08,113 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 365 transitions. Word has length 64 [2022-02-15 13:00:08,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 13:00:08,113 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 365 transitions. [2022-02-15 13:00:08,113 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) [2022-02-15 13:00:08,114 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 365 transitions. [2022-02-15 13:00:08,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 13:00:08,114 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 13:00:08,114 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] [2022-02-15 13:00:08,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-15 13:00:08,114 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 13:00:08,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 13:00:08,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1102357615, now seen corresponding path program 15 times [2022-02-15 13:00:08,115 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 13:00:08,115 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530659164] [2022-02-15 13:00:08,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 13:00:08,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 13:00:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 13:00:08,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 13:00:08,468 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 13:00:08,468 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530659164] [2022-02-15 13:00:08,469 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530659164] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 13:00:08,469 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 13:00:08,469 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-02-15 13:00:08,469 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6145163] [2022-02-15 13:00:08,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 13:00:08,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 13:00:08,469 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 13:00:08,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 13:00:08,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-02-15 13:00:08,470 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) [2022-02-15 13:00:10,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 13:00:10,038 INFO L93 Difference]: Finished difference Result 328 states and 621 transitions. [2022-02-15 13:00:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-15 13:00:10,039 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 [2022-02-15 13:00:10,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 13:00:10,039 INFO L225 Difference]: With dead ends: 328 [2022-02-15 13:00:10,039 INFO L226 Difference]: Without dead ends: 186 [2022-02-15 13:00:10,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=547, Invalid=2875, Unknown=0, NotChecked=0, Total=3422 [2022-02-15 13:00:10,041 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 [2022-02-15 13:00:10,041 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] [2022-02-15 13:00:10,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-02-15 13:00:10,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2022-02-15 13:00:10,044 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) [2022-02-15 13:00:10,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 341 transitions. [2022-02-15 13:00:10,044 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 341 transitions. Word has length 64 [2022-02-15 13:00:10,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 13:00:10,044 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 341 transitions. [2022-02-15 13:00:10,044 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) [2022-02-15 13:00:10,045 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 341 transitions. [2022-02-15 13:00:10,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 13:00:10,045 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 13:00:10,045 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] [2022-02-15 13:00:10,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-15 13:00:10,046 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 13:00:10,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 13:00:10,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1705295993, now seen corresponding path program 16 times [2022-02-15 13:00:10,046 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 13:00:10,046 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820221060] [2022-02-15 13:00:10,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 13:00:10,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 13:00:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 13:00:10,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 13:00:10,403 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 13:00:10,403 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820221060] [2022-02-15 13:00:10,403 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820221060] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 13:00:10,403 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 13:00:10,403 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-02-15 13:00:10,403 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407098323] [2022-02-15 13:00:10,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 13:00:10,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 13:00:10,404 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 13:00:10,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 13:00:10,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-02-15 13:00:10,404 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) [2022-02-15 13:00:11,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 13:00:11,938 INFO L93 Difference]: Finished difference Result 324 states and 609 transitions. [2022-02-15 13:00:11,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-15 13:00:11,938 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 [2022-02-15 13:00:11,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 13:00:11,939 INFO L225 Difference]: With dead ends: 324 [2022-02-15 13:00:11,939 INFO L226 Difference]: Without dead ends: 174 [2022-02-15 13:00:11,940 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 [2022-02-15 13:00:11,940 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 441 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-02-15 13:00:11,940 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] [2022-02-15 13:00:11,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-02-15 13:00:11,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2022-02-15 13:00:11,943 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) [2022-02-15 13:00:11,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 317 transitions. [2022-02-15 13:00:11,944 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 317 transitions. Word has length 64 [2022-02-15 13:00:11,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 13:00:11,944 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 317 transitions. [2022-02-15 13:00:11,944 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) [2022-02-15 13:00:11,944 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 317 transitions. [2022-02-15 13:00:11,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 13:00:11,945 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 13:00:11,945 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] [2022-02-15 13:00:11,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-15 13:00:11,945 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 13:00:11,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 13:00:11,945 INFO L85 PathProgramCache]: Analyzing trace with hash 2123493353, now seen corresponding path program 17 times [2022-02-15 13:00:11,945 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 13:00:11,945 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862905509] [2022-02-15 13:00:11,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 13:00:11,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 13:00:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 13:00:12,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 13:00:12,352 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 13:00:12,353 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862905509] [2022-02-15 13:00:12,353 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862905509] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 13:00:12,353 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 13:00:12,353 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-02-15 13:00:12,353 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741698927] [2022-02-15 13:00:12,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 13:00:12,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 13:00:12,353 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 13:00:12,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 13:00:12,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2022-02-15 13:00:12,354 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) [2022-02-15 13:00:13,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 13:00:13,549 INFO L93 Difference]: Finished difference Result 314 states and 588 transitions. [2022-02-15 13:00:13,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-15 13:00:13,550 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 [2022-02-15 13:00:13,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 13:00:13,550 INFO L225 Difference]: With dead ends: 314 [2022-02-15 13:00:13,550 INFO L226 Difference]: Without dead ends: 171 [2022-02-15 13:00:13,551 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 [2022-02-15 13:00:13,552 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 [2022-02-15 13:00:13,552 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] [2022-02-15 13:00:13,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-02-15 13:00:13,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2022-02-15 13:00:13,555 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) [2022-02-15 13:00:13,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 311 transitions. [2022-02-15 13:00:13,555 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 311 transitions. Word has length 64 [2022-02-15 13:00:13,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 13:00:13,555 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 311 transitions. [2022-02-15 13:00:13,555 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) [2022-02-15 13:00:13,555 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 311 transitions. [2022-02-15 13:00:13,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 13:00:13,556 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 13:00:13,556 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 13:00:13,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-15 13:00:13,556 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 13:00:13,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 13:00:13,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1458035153, now seen corresponding path program 18 times [2022-02-15 13:00:13,557 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 13:00:13,557 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365870803] [2022-02-15 13:00:13,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 13:00:13,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 13:00:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 13:00:13,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 13:00:13,968 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 13:00:13,968 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365870803] [2022-02-15 13:00:13,969 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365870803] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 13:00:13,969 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 13:00:13,969 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-02-15 13:00:13,969 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531584884] [2022-02-15 13:00:13,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 13:00:13,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 13:00:13,969 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 13:00:13,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 13:00:13,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2022-02-15 13:00:13,970 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) [2022-02-15 13:00:15,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 13:00:15,243 INFO L93 Difference]: Finished difference Result 315 states and 588 transitions. [2022-02-15 13:00:15,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-15 13:00:15,244 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 [2022-02-15 13:00:15,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 13:00:15,245 INFO L225 Difference]: With dead ends: 315 [2022-02-15 13:00:15,245 INFO L226 Difference]: Without dead ends: 165 [2022-02-15 13:00:15,245 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 [2022-02-15 13:00:15,246 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 [2022-02-15 13:00:15,246 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] [2022-02-15 13:00:15,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-02-15 13:00:15,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2022-02-15 13:00:15,248 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) [2022-02-15 13:00:15,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 299 transitions. [2022-02-15 13:00:15,249 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 299 transitions. Word has length 64 [2022-02-15 13:00:15,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 13:00:15,249 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 299 transitions. [2022-02-15 13:00:15,249 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) [2022-02-15 13:00:15,249 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 299 transitions. [2022-02-15 13:00:15,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-15 13:00:15,250 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 13:00:15,250 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] [2022-02-15 13:00:15,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-15 13:00:15,250 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-02-15 13:00:15,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 13:00:15,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1311089425, now seen corresponding path program 19 times [2022-02-15 13:00:15,250 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 13:00:15,250 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16407496] [2022-02-15 13:00:15,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 13:00:15,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 13:00:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 13:00:15,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 13:00:15,683 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 13:00:15,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16407496] [2022-02-15 13:00:15,684 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16407496] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 13:00:15,684 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 13:00:15,684 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-02-15 13:00:15,684 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660329038] [2022-02-15 13:00:15,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 13:00:15,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 13:00:15,684 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 13:00:15,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 13:00:15,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2022-02-15 13:00:15,685 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) [2022-02-15 13:00:16,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 13:00:16,968 INFO L93 Difference]: Finished difference Result 164 states and 298 transitions. [2022-02-15 13:00:16,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-15 13:00:16,969 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 [2022-02-15 13:00:16,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 13:00:16,969 INFO L225 Difference]: With dead ends: 164 [2022-02-15 13:00:16,969 INFO L226 Difference]: Without dead ends: 0 [2022-02-15 13:00:16,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=549, Invalid=2873, Unknown=0, NotChecked=0, Total=3422 [2022-02-15 13:00:16,970 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, 0.4s IncrementalHoareTripleChecker+Time [2022-02-15 13:00:16,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 898 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-15 13:00:16,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-15 13:00:16,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-15 13:00:16,971 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) [2022-02-15 13:00:16,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-15 13:00:16,971 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2022-02-15 13:00:16,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 13:00:16,971 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-15 13:00:16,971 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) [2022-02-15 13:00:16,972 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-15 13:00:16,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-15 13:00:16,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr0ASSERT_VIOLATIONASSERT (5 of 6 remaining) [2022-02-15 13:00:16,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location fooErr2INUSE_VIOLATION (4 of 6 remaining) [2022-02-15 13:00:16,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 6 remaining) [2022-02-15 13:00:16,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2022-02-15 13:00:16,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr0ASSERT_VIOLATIONASSERT (1 of 6 remaining) [2022-02-15 13:00:16,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location fooThread1of1ForFork0Err0INUSE_VIOLATION (0 of 6 remaining) [2022-02-15 13:00:16,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-15 13:00:16,977 INFO L732 BasicCegarLoop]: Path program histogram: [19, 1] [2022-02-15 13:00:16,980 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 13:00:16,980 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 13:00:16,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 01:00:16 BasicIcfg [2022-02-15 13:00:16,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 13:00:16,983 INFO L158 Benchmark]: Toolchain (without parser) took 41254.60ms. Allocated memory was 207.6MB in the beginning and 302.0MB in the end (delta: 94.4MB). Free memory was 155.9MB in the beginning and 106.8MB in the end (delta: 49.1MB). Peak memory consumption was 143.7MB. Max. memory is 8.0GB. [2022-02-15 13:00:16,983 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 207.6MB. Free memory was 174.1MB in the beginning and 173.9MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 13:00:16,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.56ms. Allocated memory is still 207.6MB. Free memory was 155.6MB in the beginning and 183.5MB in the end (delta: -27.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-15 13:00:16,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.19ms. Allocated memory is still 207.6MB. Free memory was 183.5MB in the beginning and 181.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 13:00:16,983 INFO L158 Benchmark]: Boogie Preprocessor took 30.96ms. Allocated memory is still 207.6MB. Free memory was 181.9MB in the beginning and 180.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 13:00:16,984 INFO L158 Benchmark]: RCFGBuilder took 293.23ms. Allocated memory is still 207.6MB. Free memory was 180.3MB in the beginning and 168.2MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-15 13:00:16,984 INFO L158 Benchmark]: TraceAbstraction took 40692.22ms. Allocated memory was 207.6MB in the beginning and 302.0MB in the end (delta: 94.4MB). Free memory was 167.7MB in the beginning and 106.8MB in the end (delta: 60.9MB). Peak memory consumption was 156.4MB. Max. memory is 8.0GB. [2022-02-15 13:00:16,985 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 207.6MB. Free memory was 174.1MB in the beginning and 173.9MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 200.56ms. Allocated memory is still 207.6MB. Free memory was 155.6MB in the beginning and 183.5MB in the end (delta: -27.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.19ms. Allocated memory is still 207.6MB. Free memory was 183.5MB in the beginning and 181.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.96ms. Allocated memory is still 207.6MB. Free memory was 181.9MB in the beginning and 180.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 293.23ms. Allocated memory is still 207.6MB. Free memory was 180.3MB in the beginning and 168.2MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 40692.22ms. Allocated memory was 207.6MB in the beginning and 302.0MB in the end (delta: 94.4MB). Free memory was 167.7MB in the beginning and 106.8MB in the end (delta: 60.9MB). Peak memory consumption was 156.4MB. 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: 40.5s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 19, EmptinessCheckTime: 0.0s, AutomataDifference: 31.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7568 SdHoareTripleChecker+Valid, 9.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7568 mSDsluCounter, 26383 SdHoareTripleChecker+Invalid, 8.3s 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, 26.2s 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, 8.3s InterpolantComputationTime, 1245 NumberOfCodeBlocks, 1245 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1225 ConstructedInterpolants, 0 QuantifiedInterpolants, 13120 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! [2022-02-15 13:00:17,010 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...