/usr/bin/java -Xmx16000000000 -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-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 12:42:16,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 12:42:16,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 12:42:17,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 12:42:17,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 12:42:17,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 12:42:17,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 12:42:17,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 12:42:17,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 12:42:17,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 12:42:17,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 12:42:17,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 12:42:17,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 12:42:17,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 12:42:17,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 12:42:17,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 12:42:17,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 12:42:17,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 12:42:17,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 12:42:17,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 12:42:17,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 12:42:17,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 12:42:17,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 12:42:17,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 12:42:17,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 12:42:17,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 12:42:17,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 12:42:17,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 12:42:17,056 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-Separate.epf [2022-01-18 12:42:17,109 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 12:42:17,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 12:42:17,109 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 12:42:17,109 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 12:42:17,110 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 12:42:17,110 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 12:42:17,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 12:42:17,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 12:42:17,110 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 12:42:17,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 12:42:17,110 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 12:42:17,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 12:42:17,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 12:42:17,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 12:42:17,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 12:42:17,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 12:42:17,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 12:42:17,111 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 12:42:17,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 12:42:17,112 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 12:42:17,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 12:42:17,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 12:42:17,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 12:42:17,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 12:42:17,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 12:42:17,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 12:42:17,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 12:42:17,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 12:42:17,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 12:42:17,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 12:42:17,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 12:42:17,115 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 12:42:17,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 12:42:17,115 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 12:42:17,115 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 12:42:17,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 12:42:17,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 12:42:17,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 12:42:17,305 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 12:42:17,306 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 12:42:17,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c [2022-01-18 12:42:17,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcc08c9ae/7804b694b1f9496fa1e74c5607b89249/FLAG041054c04 [2022-01-18 12:42:17,669 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 12:42:17,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c [2022-01-18 12:42:17,676 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcc08c9ae/7804b694b1f9496fa1e74c5607b89249/FLAG041054c04 [2022-01-18 12:42:18,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcc08c9ae/7804b694b1f9496fa1e74c5607b89249 [2022-01-18 12:42:18,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 12:42:18,094 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 12:42:18,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 12:42:18,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 12:42:18,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 12:42:18,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:42:18" (1/1) ... [2022-01-18 12:42:18,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@552d0ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:42:18, skipping insertion in model container [2022-01-18 12:42:18,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:42:18" (1/1) ... [2022-01-18 12:42:18,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 12:42:18,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 12:42:18,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c[2396,2409] [2022-01-18 12:42:18,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 12:42:18,310 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 12:42:18,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c[2396,2409] [2022-01-18 12:42:18,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 12:42:18,350 INFO L208 MainTranslator]: Completed translation [2022-01-18 12:42:18,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:42:18 WrapperNode [2022-01-18 12:42:18,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 12:42:18,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 12:42:18,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 12:42:18,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 12:42:18,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:42:18" (1/1) ... [2022-01-18 12:42:18,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:42:18" (1/1) ... [2022-01-18 12:42:18,390 INFO L137 Inliner]: procedures = 25, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 102 [2022-01-18 12:42:18,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 12:42:18,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 12:42:18,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 12:42:18,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 12:42:18,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:42:18" (1/1) ... [2022-01-18 12:42:18,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:42:18" (1/1) ... [2022-01-18 12:42:18,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:42:18" (1/1) ... [2022-01-18 12:42:18,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:42:18" (1/1) ... [2022-01-18 12:42:18,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:42:18" (1/1) ... [2022-01-18 12:42:18,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:42:18" (1/1) ... [2022-01-18 12:42:18,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:42:18" (1/1) ... [2022-01-18 12:42:18,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 12:42:18,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 12:42:18,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 12:42:18,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 12:42:18,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:42:18" (1/1) ... [2022-01-18 12:42:18,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 12:42:18,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:42:18,452 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) [2022-01-18 12:42:18,473 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 [2022-01-18 12:42:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 12:42:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 12:42:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 12:42:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 12:42:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 12:42:18,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 12:42:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 12:42:18,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 12:42:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-18 12:42:18,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-18 12:42:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 12:42:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-18 12:42:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 12:42:18,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 12:42:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 12:42:18,489 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 12:42:18,602 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 12:42:18,603 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 12:42:18,801 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 12:42:18,806 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 12:42:18,806 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-18 12:42:18,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:42:18 BoogieIcfgContainer [2022-01-18 12:42:18,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 12:42:18,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 12:42:18,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 12:42:18,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 12:42:18,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 12:42:18" (1/3) ... [2022-01-18 12:42:18,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa61c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:42:18, skipping insertion in model container [2022-01-18 12:42:18,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:42:18" (2/3) ... [2022-01-18 12:42:18,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa61c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:42:18, skipping insertion in model container [2022-01-18 12:42:18,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:42:18" (3/3) ... [2022-01-18 12:42:18,816 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-sum-array-hom.wvr.c [2022-01-18 12:42:18,819 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 12:42:18,819 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 12:42:18,819 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 12:42:18,819 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 12:42:18,848 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,848 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,849 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,849 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,849 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,849 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,849 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,849 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,849 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,849 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,850 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,850 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,850 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,850 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,850 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,850 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,850 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,851 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,851 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,851 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,851 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,852 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,852 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,852 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,852 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,852 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,852 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,853 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,853 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,853 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,853 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,853 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,853 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,853 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,853 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,854 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,854 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,854 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,854 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,854 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,854 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,854 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,854 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,854 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,854 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,855 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,855 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,855 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,855 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,855 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,855 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,855 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,856 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,856 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,856 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,856 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,856 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,856 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,856 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,856 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,857 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,857 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,857 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,857 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,857 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,857 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,857 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,857 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,858 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,858 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,858 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,858 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,858 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,858 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,858 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,858 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,858 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,860 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,860 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,861 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,861 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,861 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,862 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,862 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,862 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,862 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,862 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,863 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,863 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,863 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,863 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,863 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:42:18,866 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-18 12:42:18,908 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 12:42:18,912 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, 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 [2022-01-18 12:42:18,913 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-18 12:42:18,920 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 158 places, 160 transitions, 344 flow [2022-01-18 12:42:19,197 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6595 states, 6594 states have (on average 3.8183196845617227) internal successors, (25178), 6594 states have internal predecessors, (25178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:19,225 INFO L276 IsEmpty]: Start isEmpty. Operand has 6595 states, 6594 states have (on average 3.8183196845617227) internal successors, (25178), 6594 states have internal predecessors, (25178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:19,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-01-18 12:42:19,270 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:42:19,270 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:42:19,271 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:42:19,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:42:19,277 INFO L85 PathProgramCache]: Analyzing trace with hash 652124956, now seen corresponding path program 1 times [2022-01-18 12:42:19,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:42:19,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721097163] [2022-01-18 12:42:19,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:42:19,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:42:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:42:19,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:42:19,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:42:19,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721097163] [2022-01-18 12:42:19,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721097163] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 12:42:19,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 12:42:19,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 12:42:19,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791182258] [2022-01-18 12:42:19,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:42:19,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 12:42:19,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:42:19,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 12:42:19,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 12:42:19,525 INFO L87 Difference]: Start difference. First operand has 6595 states, 6594 states have (on average 3.8183196845617227) internal successors, (25178), 6594 states have internal predecessors, (25178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 53.0) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:19,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:42:19,627 INFO L93 Difference]: Finished difference Result 6595 states and 23514 transitions. [2022-01-18 12:42:19,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 12:42:19,629 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 53.0) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2022-01-18 12:42:19,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:42:19,693 INFO L225 Difference]: With dead ends: 6595 [2022-01-18 12:42:19,694 INFO L226 Difference]: Without dead ends: 6591 [2022-01-18 12:42:19,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 12:42:19,698 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 12:42:19,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 12:42:19,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6591 states. [2022-01-18 12:42:19,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6591 to 6591. [2022-01-18 12:42:20,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6591 states, 6590 states have (on average 3.5675265553869497) internal successors, (23510), 6590 states have internal predecessors, (23510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:20,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6591 states to 6591 states and 23510 transitions. [2022-01-18 12:42:20,043 INFO L78 Accepts]: Start accepts. Automaton has 6591 states and 23510 transitions. Word has length 106 [2022-01-18 12:42:20,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:42:20,044 INFO L470 AbstractCegarLoop]: Abstraction has 6591 states and 23510 transitions. [2022-01-18 12:42:20,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 53.0) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:20,045 INFO L276 IsEmpty]: Start isEmpty. Operand 6591 states and 23510 transitions. [2022-01-18 12:42:20,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-01-18 12:42:20,073 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:42:20,073 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:42:20,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 12:42:20,074 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:42:20,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:42:20,078 INFO L85 PathProgramCache]: Analyzing trace with hash -689073386, now seen corresponding path program 1 times [2022-01-18 12:42:20,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:42:20,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079540769] [2022-01-18 12:42:20,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:42:20,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:42:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:42:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:42:20,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:42:20,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079540769] [2022-01-18 12:42:20,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079540769] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 12:42:20,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 12:42:20,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 12:42:20,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974601599] [2022-01-18 12:42:20,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:42:20,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 12:42:20,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:42:20,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 12:42:20,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-01-18 12:42:20,334 INFO L87 Difference]: Start difference. First operand 6591 states and 23510 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:20,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:42:20,584 INFO L93 Difference]: Finished difference Result 13998 states and 50009 transitions. [2022-01-18 12:42:20,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 12:42:20,584 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2022-01-18 12:42:20,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:42:20,660 INFO L225 Difference]: With dead ends: 13998 [2022-01-18 12:42:20,660 INFO L226 Difference]: Without dead ends: 13848 [2022-01-18 12:42:20,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-01-18 12:42:20,665 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 317 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:42:20,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [317 Valid, 538 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:42:20,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13848 states. [2022-01-18 12:42:20,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13848 to 7201. [2022-01-18 12:42:20,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7201 states, 7200 states have (on average 3.5556944444444443) internal successors, (25601), 7200 states have internal predecessors, (25601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:20,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7201 states to 7201 states and 25601 transitions. [2022-01-18 12:42:20,933 INFO L78 Accepts]: Start accepts. Automaton has 7201 states and 25601 transitions. Word has length 106 [2022-01-18 12:42:20,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:42:20,934 INFO L470 AbstractCegarLoop]: Abstraction has 7201 states and 25601 transitions. [2022-01-18 12:42:20,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:20,934 INFO L276 IsEmpty]: Start isEmpty. Operand 7201 states and 25601 transitions. [2022-01-18 12:42:20,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-01-18 12:42:20,951 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:42:20,951 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:42:20,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 12:42:20,951 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:42:20,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:42:20,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1312442456, now seen corresponding path program 1 times [2022-01-18 12:42:20,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:42:20,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134765474] [2022-01-18 12:42:20,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:42:20,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:42:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:42:21,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:42:21,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:42:21,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134765474] [2022-01-18 12:42:21,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134765474] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 12:42:21,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 12:42:21,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 12:42:21,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414005948] [2022-01-18 12:42:21,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:42:21,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 12:42:21,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:42:21,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 12:42:21,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-01-18 12:42:21,097 INFO L87 Difference]: Start difference. First operand 7201 states and 25601 transitions. Second operand has 10 states, 10 states have (on average 11.3) internal successors, (113), 10 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:21,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:42:21,420 INFO L93 Difference]: Finished difference Result 10815 states and 37631 transitions. [2022-01-18 12:42:21,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-18 12:42:21,420 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.3) internal successors, (113), 10 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-01-18 12:42:21,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:42:21,457 INFO L225 Difference]: With dead ends: 10815 [2022-01-18 12:42:21,457 INFO L226 Difference]: Without dead ends: 10725 [2022-01-18 12:42:21,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-01-18 12:42:21,458 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 614 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:42:21,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [614 Valid, 628 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:42:21,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10725 states. [2022-01-18 12:42:21,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10725 to 8653. [2022-01-18 12:42:21,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8653 states, 8652 states have (on average 3.542764678687009) internal successors, (30652), 8652 states have internal predecessors, (30652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:21,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8653 states to 8653 states and 30652 transitions. [2022-01-18 12:42:21,781 INFO L78 Accepts]: Start accepts. Automaton has 8653 states and 30652 transitions. Word has length 113 [2022-01-18 12:42:21,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:42:21,781 INFO L470 AbstractCegarLoop]: Abstraction has 8653 states and 30652 transitions. [2022-01-18 12:42:21,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.3) internal successors, (113), 10 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:21,782 INFO L276 IsEmpty]: Start isEmpty. Operand 8653 states and 30652 transitions. [2022-01-18 12:42:21,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-01-18 12:42:21,799 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:42:21,799 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:42:21,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 12:42:21,800 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:42:21,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:42:21,800 INFO L85 PathProgramCache]: Analyzing trace with hash -376583132, now seen corresponding path program 1 times [2022-01-18 12:42:21,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:42:21,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526963843] [2022-01-18 12:42:21,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:42:21,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:42:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:42:21,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:42:21,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:42:21,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526963843] [2022-01-18 12:42:21,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526963843] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 12:42:21,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 12:42:21,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-18 12:42:21,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331921539] [2022-01-18 12:42:21,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:42:21,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 12:42:21,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:42:21,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 12:42:21,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-01-18 12:42:21,987 INFO L87 Difference]: Start difference. First operand 8653 states and 30652 transitions. Second operand has 10 states, 10 states have (on average 11.3) internal successors, (113), 10 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:22,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:42:22,388 INFO L93 Difference]: Finished difference Result 9217 states and 31758 transitions. [2022-01-18 12:42:22,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 12:42:22,389 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.3) internal successors, (113), 10 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-01-18 12:42:22,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:42:22,415 INFO L225 Difference]: With dead ends: 9217 [2022-01-18 12:42:22,416 INFO L226 Difference]: Without dead ends: 8953 [2022-01-18 12:42:22,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-01-18 12:42:22,422 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 572 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:42:22,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [572 Valid, 680 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:42:22,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8953 states. [2022-01-18 12:42:22,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8953 to 8471. [2022-01-18 12:42:22,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8471 states, 8470 states have (on average 3.494923258559622) internal successors, (29602), 8470 states have internal predecessors, (29602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:22,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8471 states to 8471 states and 29602 transitions. [2022-01-18 12:42:22,598 INFO L78 Accepts]: Start accepts. Automaton has 8471 states and 29602 transitions. Word has length 113 [2022-01-18 12:42:22,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:42:22,599 INFO L470 AbstractCegarLoop]: Abstraction has 8471 states and 29602 transitions. [2022-01-18 12:42:22,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.3) internal successors, (113), 10 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:22,600 INFO L276 IsEmpty]: Start isEmpty. Operand 8471 states and 29602 transitions. [2022-01-18 12:42:22,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-01-18 12:42:22,617 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:42:22,617 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:42:22,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 12:42:22,618 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:42:22,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:42:22,619 INFO L85 PathProgramCache]: Analyzing trace with hash -204849432, now seen corresponding path program 1 times [2022-01-18 12:42:22,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:42:22,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342721676] [2022-01-18 12:42:22,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:42:22,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:42:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:42:22,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:42:22,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:42:22,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342721676] [2022-01-18 12:42:22,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342721676] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 12:42:22,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 12:42:22,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 12:42:22,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083624325] [2022-01-18 12:42:22,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:42:22,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 12:42:22,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:42:22,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 12:42:22,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-18 12:42:22,760 INFO L87 Difference]: Start difference. First operand 8471 states and 29602 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:22,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:42:22,881 INFO L93 Difference]: Finished difference Result 7494 states and 26349 transitions. [2022-01-18 12:42:22,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 12:42:22,882 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-01-18 12:42:22,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:42:22,904 INFO L225 Difference]: With dead ends: 7494 [2022-01-18 12:42:22,904 INFO L226 Difference]: Without dead ends: 7207 [2022-01-18 12:42:22,904 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-01-18 12:42:22,905 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 340 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 12:42:22,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [340 Valid, 442 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 12:42:22,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7207 states. [2022-01-18 12:42:23,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7207 to 7202. [2022-01-18 12:42:23,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7202 states, 7201 states have (on average 3.555339536175531) internal successors, (25602), 7201 states have internal predecessors, (25602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:23,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7202 states to 7202 states and 25602 transitions. [2022-01-18 12:42:23,071 INFO L78 Accepts]: Start accepts. Automaton has 7202 states and 25602 transitions. Word has length 113 [2022-01-18 12:42:23,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:42:23,071 INFO L470 AbstractCegarLoop]: Abstraction has 7202 states and 25602 transitions. [2022-01-18 12:42:23,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:23,072 INFO L276 IsEmpty]: Start isEmpty. Operand 7202 states and 25602 transitions. [2022-01-18 12:42:23,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-01-18 12:42:23,087 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:42:23,087 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:42:23,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 12:42:23,088 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:42:23,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:42:23,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1023273467, now seen corresponding path program 1 times [2022-01-18 12:42:23,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:42:23,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244118716] [2022-01-18 12:42:23,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:42:23,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:42:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:42:23,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:23,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:42:23,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244118716] [2022-01-18 12:42:23,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244118716] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:42:23,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452872136] [2022-01-18 12:42:23,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:42:23,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:42:23,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:42:23,187 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:42:23,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 12:42:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:42:23,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-18 12:42:23,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:42:23,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:23,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:42:23,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:23,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452872136] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 12:42:23,830 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 12:42:23,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-01-18 12:42:23,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071495529] [2022-01-18 12:42:23,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:42:23,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 12:42:23,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:42:23,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 12:42:23,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-01-18 12:42:23,831 INFO L87 Difference]: Start difference. First operand 7202 states and 25602 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:23,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:42:23,913 INFO L93 Difference]: Finished difference Result 7388 states and 26400 transitions. [2022-01-18 12:42:23,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 12:42:23,914 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-01-18 12:42:23,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:42:23,934 INFO L225 Difference]: With dead ends: 7388 [2022-01-18 12:42:23,934 INFO L226 Difference]: Without dead ends: 7388 [2022-01-18 12:42:23,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 232 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-01-18 12:42:23,935 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 385 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 12:42:23,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [385 Valid, 353 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 12:42:23,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7388 states. [2022-01-18 12:42:24,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7388 to 7148. [2022-01-18 12:42:24,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7148 states, 7147 states have (on average 3.572967678746327) internal successors, (25536), 7147 states have internal predecessors, (25536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:24,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7148 states to 7148 states and 25536 transitions. [2022-01-18 12:42:24,087 INFO L78 Accepts]: Start accepts. Automaton has 7148 states and 25536 transitions. Word has length 120 [2022-01-18 12:42:24,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:42:24,087 INFO L470 AbstractCegarLoop]: Abstraction has 7148 states and 25536 transitions. [2022-01-18 12:42:24,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:24,088 INFO L276 IsEmpty]: Start isEmpty. Operand 7148 states and 25536 transitions. [2022-01-18 12:42:24,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-01-18 12:42:24,102 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:42:24,102 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:42:24,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 12:42:24,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-01-18 12:42:24,311 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:42:24,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:42:24,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1754401941, now seen corresponding path program 1 times [2022-01-18 12:42:24,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:42:24,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507159695] [2022-01-18 12:42:24,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:42:24,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:42:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:42:24,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:24,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:42:24,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507159695] [2022-01-18 12:42:24,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507159695] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:42:24,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473984119] [2022-01-18 12:42:24,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:42:24,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:42:24,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:42:24,381 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:42:24,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 12:42:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:42:24,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-18 12:42:24,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:42:24,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:24,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:42:24,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:24,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473984119] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 12:42:24,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 12:42:24,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 18 [2022-01-18 12:42:24,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116974841] [2022-01-18 12:42:24,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:42:24,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 12:42:24,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:42:24,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 12:42:24,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2022-01-18 12:42:24,974 INFO L87 Difference]: Start difference. First operand 7148 states and 25536 transitions. Second operand has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 9 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:25,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:42:25,152 INFO L93 Difference]: Finished difference Result 9566 states and 34401 transitions. [2022-01-18 12:42:25,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 12:42:25,153 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 9 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-01-18 12:42:25,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:42:25,180 INFO L225 Difference]: With dead ends: 9566 [2022-01-18 12:42:25,180 INFO L226 Difference]: Without dead ends: 9566 [2022-01-18 12:42:25,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 230 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2022-01-18 12:42:25,181 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 333 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:42:25,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [333 Valid, 644 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:42:25,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9566 states. [2022-01-18 12:42:25,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9566 to 7505. [2022-01-18 12:42:25,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7505 states, 7504 states have (on average 3.5724946695095947) internal successors, (26808), 7504 states have internal predecessors, (26808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:25,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7505 states to 7505 states and 26808 transitions. [2022-01-18 12:42:25,343 INFO L78 Accepts]: Start accepts. Automaton has 7505 states and 26808 transitions. Word has length 120 [2022-01-18 12:42:25,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:42:25,343 INFO L470 AbstractCegarLoop]: Abstraction has 7505 states and 26808 transitions. [2022-01-18 12:42:25,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 9 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:25,344 INFO L276 IsEmpty]: Start isEmpty. Operand 7505 states and 26808 transitions. [2022-01-18 12:42:25,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-01-18 12:42:25,359 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:42:25,359 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:42:25,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-18 12:42:25,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-01-18 12:42:25,575 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:42:25,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:42:25,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1327417765, now seen corresponding path program 2 times [2022-01-18 12:42:25,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:42:25,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392027094] [2022-01-18 12:42:25,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:42:25,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:42:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:42:25,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:25,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:42:25,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392027094] [2022-01-18 12:42:25,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392027094] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:42:25,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868265815] [2022-01-18 12:42:25,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 12:42:25,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:42:25,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:42:25,663 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:42:25,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-18 12:42:25,740 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 12:42:25,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:42:25,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-18 12:42:25,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:42:25,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:25,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:42:26,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:26,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868265815] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 12:42:26,125 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 12:42:26,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 17 [2022-01-18 12:42:26,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110884795] [2022-01-18 12:42:26,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 12:42:26,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-18 12:42:26,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:42:26,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-18 12:42:26,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2022-01-18 12:42:26,127 INFO L87 Difference]: Start difference. First operand 7505 states and 26808 transitions. Second operand has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:27,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:42:27,157 INFO L93 Difference]: Finished difference Result 37267 states and 136749 transitions. [2022-01-18 12:42:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-18 12:42:27,157 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 states have internal predecessors, (189), 0 states have call successors, (0), 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 120 [2022-01-18 12:42:27,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:42:27,277 INFO L225 Difference]: With dead ends: 37267 [2022-01-18 12:42:27,277 INFO L226 Difference]: Without dead ends: 37267 [2022-01-18 12:42:27,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 232 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=570, Invalid=1686, Unknown=0, NotChecked=0, Total=2256 [2022-01-18 12:42:27,278 INFO L933 BasicCegarLoop]: 271 mSDtfsCounter, 1078 mSDsluCounter, 2233 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 2400 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 12:42:27,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1078 Valid, 2400 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 12:42:27,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37267 states. [2022-01-18 12:42:27,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37267 to 7556. [2022-01-18 12:42:27,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7556 states, 7555 states have (on average 3.586896095301125) internal successors, (27099), 7555 states have internal predecessors, (27099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:27,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7556 states to 7556 states and 27099 transitions. [2022-01-18 12:42:27,728 INFO L78 Accepts]: Start accepts. Automaton has 7556 states and 27099 transitions. Word has length 120 [2022-01-18 12:42:27,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:42:27,728 INFO L470 AbstractCegarLoop]: Abstraction has 7556 states and 27099 transitions. [2022-01-18 12:42:27,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 11.117647058823529) internal successors, (189), 17 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:27,728 INFO L276 IsEmpty]: Start isEmpty. Operand 7556 states and 27099 transitions. [2022-01-18 12:42:27,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-01-18 12:42:27,743 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:42:27,743 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:42:27,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-01-18 12:42:27,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:42:27,960 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:42:27,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:42:27,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1470435759, now seen corresponding path program 3 times [2022-01-18 12:42:27,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:42:27,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738486868] [2022-01-18 12:42:27,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:42:27,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:42:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:42:28,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:28,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:42:28,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738486868] [2022-01-18 12:42:28,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738486868] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:42:28,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93141569] [2022-01-18 12:42:28,049 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-18 12:42:28,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:42:28,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:42:28,050 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:42:28,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-18 12:42:28,124 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-01-18 12:42:28,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:42:28,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-18 12:42:28,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:42:28,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:28,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:42:28,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:28,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93141569] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 12:42:28,489 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 12:42:28,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 16 [2022-01-18 12:42:28,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834815257] [2022-01-18 12:42:28,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 12:42:28,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 12:42:28,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:42:28,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 12:42:28,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-01-18 12:42:28,491 INFO L87 Difference]: Start difference. First operand 7556 states and 27099 transitions. Second operand has 16 states, 16 states have (on average 11.625) internal successors, (186), 16 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:29,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:42:29,233 INFO L93 Difference]: Finished difference Result 25678 states and 94109 transitions. [2022-01-18 12:42:29,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-18 12:42:29,233 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 11.625) internal successors, (186), 16 states have internal predecessors, (186), 0 states have call successors, (0), 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 120 [2022-01-18 12:42:29,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:42:29,317 INFO L225 Difference]: With dead ends: 25678 [2022-01-18 12:42:29,317 INFO L226 Difference]: Without dead ends: 25678 [2022-01-18 12:42:29,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 233 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=362, Invalid=970, Unknown=0, NotChecked=0, Total=1332 [2022-01-18 12:42:29,318 INFO L933 BasicCegarLoop]: 274 mSDtfsCounter, 771 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 1844 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 12:42:29,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [771 Valid, 1844 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 12:42:29,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25678 states. [2022-01-18 12:42:29,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25678 to 7712. [2022-01-18 12:42:29,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7712 states, 7711 states have (on average 3.582025677603424) internal successors, (27621), 7711 states have internal predecessors, (27621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:29,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7712 states to 7712 states and 27621 transitions. [2022-01-18 12:42:29,625 INFO L78 Accepts]: Start accepts. Automaton has 7712 states and 27621 transitions. Word has length 120 [2022-01-18 12:42:29,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:42:29,625 INFO L470 AbstractCegarLoop]: Abstraction has 7712 states and 27621 transitions. [2022-01-18 12:42:29,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.625) internal successors, (186), 16 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:29,625 INFO L276 IsEmpty]: Start isEmpty. Operand 7712 states and 27621 transitions. [2022-01-18 12:42:29,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-01-18 12:42:29,639 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:42:29,639 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:42:29,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-18 12:42:29,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:42:29,851 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:42:29,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:42:29,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1352734621, now seen corresponding path program 4 times [2022-01-18 12:42:29,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:42:29,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811687528] [2022-01-18 12:42:29,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:42:29,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:42:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:42:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:29,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:42:29,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811687528] [2022-01-18 12:42:29,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811687528] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:42:29,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264240315] [2022-01-18 12:42:29,935 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-18 12:42:29,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:42:29,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:42:29,936 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:42:29,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-18 12:42:30,001 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-18 12:42:30,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:42:30,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-18 12:42:30,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:42:30,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:30,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:42:30,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:30,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264240315] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 12:42:30,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 12:42:30,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 20 [2022-01-18 12:42:30,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370444633] [2022-01-18 12:42:30,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:42:30,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 12:42:30,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:42:30,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 12:42:30,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2022-01-18 12:42:30,489 INFO L87 Difference]: Start difference. First operand 7712 states and 27621 transitions. Second operand has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 9 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:30,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:42:30,739 INFO L93 Difference]: Finished difference Result 16613 states and 59820 transitions. [2022-01-18 12:42:30,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 12:42:30,739 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 9 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-01-18 12:42:30,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:42:30,786 INFO L225 Difference]: With dead ends: 16613 [2022-01-18 12:42:30,786 INFO L226 Difference]: Without dead ends: 16613 [2022-01-18 12:42:30,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 228 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2022-01-18 12:42:30,787 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 491 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:42:30,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [491 Valid, 756 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:42:30,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16613 states. [2022-01-18 12:42:31,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16613 to 7886. [2022-01-18 12:42:31,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7886 states, 7885 states have (on average 3.606848446417248) internal successors, (28440), 7885 states have internal predecessors, (28440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:31,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7886 states to 7886 states and 28440 transitions. [2022-01-18 12:42:31,071 INFO L78 Accepts]: Start accepts. Automaton has 7886 states and 28440 transitions. Word has length 120 [2022-01-18 12:42:31,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:42:31,072 INFO L470 AbstractCegarLoop]: Abstraction has 7886 states and 28440 transitions. [2022-01-18 12:42:31,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 9 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:31,072 INFO L276 IsEmpty]: Start isEmpty. Operand 7886 states and 28440 transitions. [2022-01-18 12:42:31,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-01-18 12:42:31,088 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:42:31,088 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:42:31,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-01-18 12:42:31,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-01-18 12:42:31,304 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:42:31,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:42:31,304 INFO L85 PathProgramCache]: Analyzing trace with hash -144379151, now seen corresponding path program 5 times [2022-01-18 12:42:31,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:42:31,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415410840] [2022-01-18 12:42:31,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:42:31,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:42:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:42:31,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:31,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:42:31,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415410840] [2022-01-18 12:42:31,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415410840] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:42:31,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630294897] [2022-01-18 12:42:31,371 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-18 12:42:31,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:42:31,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:42:31,372 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:42:31,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-18 12:42:31,443 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 12:42:31,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:42:31,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-18 12:42:31,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:42:31,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:31,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:42:31,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:31,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630294897] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 12:42:31,792 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 12:42:31,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 16 [2022-01-18 12:42:31,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114704278] [2022-01-18 12:42:31,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 12:42:31,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 12:42:31,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:42:31,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 12:42:31,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-01-18 12:42:31,793 INFO L87 Difference]: Start difference. First operand 7886 states and 28440 transitions. Second operand has 16 states, 16 states have (on average 10.875) internal successors, (174), 16 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:32,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:42:32,615 INFO L93 Difference]: Finished difference Result 31824 states and 115577 transitions. [2022-01-18 12:42:32,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-01-18 12:42:32,616 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.875) internal successors, (174), 16 states have internal predecessors, (174), 0 states have call successors, (0), 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 120 [2022-01-18 12:42:32,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:42:32,712 INFO L225 Difference]: With dead ends: 31824 [2022-01-18 12:42:32,712 INFO L226 Difference]: Without dead ends: 31824 [2022-01-18 12:42:32,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 233 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=406, Invalid=1076, Unknown=0, NotChecked=0, Total=1482 [2022-01-18 12:42:32,713 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 907 mSDsluCounter, 1959 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 907 SdHoareTripleChecker+Valid, 2178 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 12:42:32,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [907 Valid, 2178 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 945 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 12:42:32,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31824 states. [2022-01-18 12:42:33,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31824 to 7835. [2022-01-18 12:42:33,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7835 states, 7834 states have (on average 3.5931835588460554) internal successors, (28149), 7834 states have internal predecessors, (28149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:33,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7835 states to 7835 states and 28149 transitions. [2022-01-18 12:42:33,075 INFO L78 Accepts]: Start accepts. Automaton has 7835 states and 28149 transitions. Word has length 120 [2022-01-18 12:42:33,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:42:33,075 INFO L470 AbstractCegarLoop]: Abstraction has 7835 states and 28149 transitions. [2022-01-18 12:42:33,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.875) internal successors, (174), 16 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:33,075 INFO L276 IsEmpty]: Start isEmpty. Operand 7835 states and 28149 transitions. [2022-01-18 12:42:33,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-01-18 12:42:33,089 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:42:33,089 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:42:33,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-18 12:42:33,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:42:33,305 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:42:33,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:42:33,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1654641889, now seen corresponding path program 6 times [2022-01-18 12:42:33,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:42:33,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251019322] [2022-01-18 12:42:33,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:42:33,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:42:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:42:33,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:33,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:42:33,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251019322] [2022-01-18 12:42:33,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251019322] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:42:33,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338524403] [2022-01-18 12:42:33,377 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-18 12:42:33,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:42:33,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:42:33,378 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:42:33,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-18 12:42:33,455 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2022-01-18 12:42:33,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 12:42:33,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-18 12:42:33,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:42:33,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:33,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:42:33,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:42:33,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338524403] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 12:42:33,775 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 12:42:33,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 15 [2022-01-18 12:42:33,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451614551] [2022-01-18 12:42:33,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 12:42:33,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-01-18 12:42:33,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:42:33,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-01-18 12:42:33,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2022-01-18 12:42:33,777 INFO L87 Difference]: Start difference. First operand 7835 states and 28149 transitions. Second operand has 15 states, 15 states have (on average 11.533333333333333) internal successors, (173), 15 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:34,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:42:34,306 INFO L93 Difference]: Finished difference Result 20002 states and 71903 transitions. [2022-01-18 12:42:34,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-18 12:42:34,307 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 11.533333333333333) internal successors, (173), 15 states have internal predecessors, (173), 0 states have call successors, (0), 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 120 [2022-01-18 12:42:34,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:42:34,363 INFO L225 Difference]: With dead ends: 20002 [2022-01-18 12:42:34,363 INFO L226 Difference]: Without dead ends: 20002 [2022-01-18 12:42:34,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 234 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=262, Invalid=730, Unknown=0, NotChecked=0, Total=992 [2022-01-18 12:42:34,364 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 619 mSDsluCounter, 1634 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 1834 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 12:42:34,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [619 Valid, 1834 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 12:42:34,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20002 states. [2022-01-18 12:42:34,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20002 to 8207. [2022-01-18 12:42:34,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8207 states, 8206 states have (on average 3.56409943943456) internal successors, (29247), 8206 states have internal predecessors, (29247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:34,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8207 states to 8207 states and 29247 transitions. [2022-01-18 12:42:34,636 INFO L78 Accepts]: Start accepts. Automaton has 8207 states and 29247 transitions. Word has length 120 [2022-01-18 12:42:34,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:42:34,636 INFO L470 AbstractCegarLoop]: Abstraction has 8207 states and 29247 transitions. [2022-01-18 12:42:34,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.533333333333333) internal successors, (173), 15 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 12:42:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 8207 states and 29247 transitions. [2022-01-18 12:42:34,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-01-18 12:42:34,651 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:42:34,651 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:42:34,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-01-18 12:42:34,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:42:34,867 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 12:42:34,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:42:34,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1392570873, now seen corresponding path program 1 times [2022-01-18 12:42:34,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:42:34,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842373982] [2022-01-18 12:42:34,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:42:34,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:42:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:42:35,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:42:35,871 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:42:35,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842373982] [2022-01-18 12:42:35,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842373982] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:42:35,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270083388] [2022-01-18 12:42:35,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:42:35,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:42:35,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:42:35,873 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:42:35,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-18 12:42:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:42:35,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 52 conjunts are in the unsatisfiable core [2022-01-18 12:42:35,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:42:36,090 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 12:42:36,372 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 12:42:36,373 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 12:42:36,565 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-01-18 12:42:36,930 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 12:42:37,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 12:42:37,250 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-18 12:42:37,342 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-18 12:42:37,483 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-01-18 12:42:37,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:42:37,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:42:37,777 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_332 (Array Int Int))) (= (mod (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_332) c_~A~0.base) c_~A~0.offset) c_~sum3~0 c_~sum2~0) 4294967296) (mod c_~sum1~0 4294967296))) is different from false [2022-01-18 12:42:37,809 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_332 (Array Int Int))) (= (mod (+ c_~sum3~0 c_~sum2~0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_331) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_332) c_~A~0.base) c_~A~0.offset)) 4294967296) (mod c_~sum1~0 4294967296))) is different from false [2022-01-18 12:42:37,872 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_332 (Array Int Int))) (= (mod (+ c_~sum1~0 |c_thread1Thread1of1ForFork0_#t~mem2|) 4294967296) (mod (+ c_~sum3~0 c_~sum2~0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_331) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_332) c_~A~0.base) c_~A~0.offset)) 4294967296))) is different from false [2022-01-18 12:42:37,880 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_332 (Array Int Int))) (= (mod (+ c_~sum1~0 (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset (* c_thread1Thread1of1ForFork0_~i~0 4)))) 4294967296) (mod (+ c_~sum3~0 c_~sum2~0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_331) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_332) c_~A~0.base) c_~A~0.offset)) 4294967296))) is different from false [2022-01-18 12:42:37,896 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_332 (Array Int Int))) (= (mod (+ c_~sum3~0 c_~sum2~0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_331) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_332) c_~A~0.base) c_~A~0.offset)) 4294967296) (mod (+ (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset) c_~sum1~0) 4294967296))) is different from false [2022-01-18 12:42:37,907 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int)) (v_ArrVal_332 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_330))) (= (mod (+ c_~sum3~0 (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_331) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_332) c_~A~0.base) c_~A~0.offset) c_~sum2~0) 4294967296) (mod (+ c_~sum1~0 (select (select .cse0 c_~A~0.base) c_~A~0.offset)) 4294967296)))) is different from false [2022-01-18 12:42:37,944 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int)) (v_ArrVal_332 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_330))) (= (mod (+ (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_331) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_332) |c_ULTIMATE.start_main_#t~ret9#1.base|) |c_ULTIMATE.start_main_#t~ret9#1.offset|) c_~sum3~0 c_~sum2~0) 4294967296) (mod (+ (select (select .cse0 |c_ULTIMATE.start_main_#t~ret9#1.base|) |c_ULTIMATE.start_main_#t~ret9#1.offset|) c_~sum1~0) 4294967296)))) is different from false [2022-01-18 12:42:37,955 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int)) (v_ArrVal_332 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_330))) (= (mod (+ c_~sum3~0 (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_331) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_332) |c_ULTIMATE.start_create_fresh_uint_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_uint_array_#res#1.offset|) c_~sum2~0) 4294967296) (mod (+ (select (select .cse0 |c_ULTIMATE.start_create_fresh_uint_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_uint_array_#res#1.offset|) c_~sum1~0) 4294967296)))) is different from false [2022-01-18 12:42:37,961 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_331 (Array Int Int)) (v_ArrVal_330 (Array Int Int)) (v_ArrVal_332 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_330))) (= (mod (+ (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_331) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_332) |c_ULTIMATE.start_create_fresh_uint_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_uint_array_~arr~0#1.offset|) c_~sum3~0 c_~sum2~0) 4294967296) (mod (+ (select (select .cse0 |c_ULTIMATE.start_create_fresh_uint_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_uint_array_~arr~0#1.offset|) c_~sum1~0) 4294967296)))) is different from false [2022-01-18 12:42:37,988 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:42:37,988 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 45 [2022-01-18 12:42:37,993 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5158 treesize of output 4806 [2022-01-18 12:42:38,011 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4806 treesize of output 4502 [2022-01-18 12:42:38,028 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4502 treesize of output 4310 [2022-01-18 12:42:38,044 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4310 treesize of output 4214 Received shutdown request... [2022-01-18 12:56:45,737 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-01-18 12:56:45,748 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 12:56:45,751 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 12:56:45,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-18 12:56:45,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-01-18 12:56:45,939 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 128 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. [2022-01-18 12:56:45,941 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-01-18 12:56:45,941 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-01-18 12:56:45,941 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-01-18 12:56:45,943 INFO L732 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:56:45,945 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 12:56:45,945 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 12:56:45,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 12:56:45 BasicIcfg [2022-01-18 12:56:45,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 12:56:45,947 INFO L158 Benchmark]: Toolchain (without parser) took 867853.34ms. Allocated memory was 383.8MB in the beginning and 3.2GB in the end (delta: 2.8GB). Free memory was 333.8MB in the beginning and 2.9GB in the end (delta: -2.6GB). Peak memory consumption was 2.1GB. Max. memory is 16.0GB. [2022-01-18 12:56:45,947 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 383.8MB. Free memory is still 350.8MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 12:56:45,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.05ms. Allocated memory is still 383.8MB. Free memory was 333.6MB in the beginning and 354.9MB in the end (delta: -21.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2022-01-18 12:56:45,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.91ms. Allocated memory is still 383.8MB. Free memory was 354.9MB in the beginning and 352.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 12:56:45,948 INFO L158 Benchmark]: Boogie Preprocessor took 34.19ms. Allocated memory is still 383.8MB. Free memory was 352.2MB in the beginning and 351.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 12:56:45,948 INFO L158 Benchmark]: RCFGBuilder took 382.39ms. Allocated memory is still 383.8MB. Free memory was 351.1MB in the beginning and 334.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2022-01-18 12:56:45,948 INFO L158 Benchmark]: TraceAbstraction took 867138.16ms. Allocated memory was 383.8MB in the beginning and 3.2GB in the end (delta: 2.8GB). Free memory was 334.3MB in the beginning and 2.9GB in the end (delta: -2.6GB). Peak memory consumption was 2.1GB. Max. memory is 16.0GB. [2022-01-18 12:56:45,949 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 383.8MB. Free memory is still 350.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 256.05ms. Allocated memory is still 383.8MB. Free memory was 333.6MB in the beginning and 354.9MB in the end (delta: -21.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 36.91ms. Allocated memory is still 383.8MB. Free memory was 354.9MB in the beginning and 352.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 34.19ms. Allocated memory is still 383.8MB. Free memory was 352.2MB in the beginning and 351.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 382.39ms. Allocated memory is still 383.8MB. Free memory was 351.1MB in the beginning and 334.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 867138.16ms. Allocated memory was 383.8MB in the beginning and 3.2GB in the end (delta: 2.8GB). Free memory was 334.3MB in the beginning and 2.9GB in the end (delta: -2.6GB). Peak memory consumption was 2.1GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 128 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 128 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 128 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 128 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 185 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 867.0s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.3s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6427 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6427 mSDsluCounter, 12429 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10591 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4263 IncrementalHoareTripleChecker+Invalid, 4305 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 2345 mSDtfsCounter, 4263 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1906 GetRequests, 1634 SyntacticMatches, 14 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1379 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8653occurred in iteration=3, InterpolantAutomatonStates: 174, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 103695 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 2231 NumberOfCodeBlocks, 2221 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 3045 ConstructedInterpolants, 0 QuantifiedInterpolants, 8003 SizeOfPredicates, 52 NumberOfNonLiveVariables, 1947 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 26 InterpolantComputations, 8 PerfectInterpolantSequences, 27/45 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown