/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/pthread/triangular-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-344d29da17dfcedfb91d6006a5dbd12b556a868d-344d29d [2021-02-16 20:45:25,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-16 20:45:25,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-16 20:45:25,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-16 20:45:25,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-16 20:45:25,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-16 20:45:25,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-16 20:45:25,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-16 20:45:25,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-16 20:45:25,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-16 20:45:25,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-16 20:45:25,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-16 20:45:25,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-16 20:45:25,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-16 20:45:25,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-16 20:45:25,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-16 20:45:25,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-16 20:45:25,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-16 20:45:25,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-16 20:45:25,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-16 20:45:25,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-16 20:45:25,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-16 20:45:25,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-16 20:45:25,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-16 20:45:25,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-16 20:45:25,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-16 20:45:25,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-16 20:45:25,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-16 20:45:25,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-16 20:45:25,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-16 20:45:25,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-16 20:45:25,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-16 20:45:25,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-16 20:45:25,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-16 20:45:25,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-16 20:45:25,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-16 20:45:25,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-16 20:45:25,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-16 20:45:25,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-16 20:45:25,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-16 20:45:25,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-16 20:45:25,484 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-Sleep-NoLbe-Delay.epf [2021-02-16 20:45:25,534 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-16 20:45:25,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-16 20:45:25,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-16 20:45:25,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-16 20:45:25,539 INFO L138 SettingsManager]: * Use SBE=true [2021-02-16 20:45:25,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-16 20:45:25,540 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-16 20:45:25,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-16 20:45:25,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-16 20:45:25,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-16 20:45:25,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-16 20:45:25,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-16 20:45:25,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-16 20:45:25,543 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-16 20:45:25,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-16 20:45:25,543 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-16 20:45:25,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-16 20:45:25,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-16 20:45:25,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-16 20:45:25,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-16 20:45:25,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-16 20:45:25,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-16 20:45:25,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-16 20:45:25,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-16 20:45:25,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-16 20:45:25,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-16 20:45:25,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-16 20:45:25,546 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-16 20:45:25,546 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-02-16 20:45:25,546 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-16 20:45:25,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-16 20:45:25,546 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-02-16 20:45:25,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-16 20:45:26,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-16 20:45:26,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-16 20:45:26,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-16 20:45:26,036 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-16 20:45:26,036 INFO L275 PluginConnector]: CDTParser initialized [2021-02-16 20:45:26,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-1.i [2021-02-16 20:45:26,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbd746132/a03bff508fb645beb5379b02a90c8455/FLAG16ba366e5 [2021-02-16 20:45:26,770 INFO L306 CDTParser]: Found 1 translation units. [2021-02-16 20:45:26,771 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-1.i [2021-02-16 20:45:26,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbd746132/a03bff508fb645beb5379b02a90c8455/FLAG16ba366e5 [2021-02-16 20:45:27,082 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbd746132/a03bff508fb645beb5379b02a90c8455 [2021-02-16 20:45:27,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-16 20:45:27,100 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-02-16 20:45:27,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-16 20:45:27,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-16 20:45:27,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-16 20:45:27,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 08:45:27" (1/1) ... [2021-02-16 20:45:27,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3834a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:45:27, skipping insertion in model container [2021-02-16 20:45:27,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 08:45:27" (1/1) ... [2021-02-16 20:45:27,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-16 20:45:27,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-16 20:45:27,624 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-1.i[30950,30963] [2021-02-16 20:45:27,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-16 20:45:27,644 INFO L203 MainTranslator]: Completed pre-run [2021-02-16 20:45:27,719 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-1.i[30950,30963] [2021-02-16 20:45:27,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-16 20:45:27,876 INFO L208 MainTranslator]: Completed translation [2021-02-16 20:45:27,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:45:27 WrapperNode [2021-02-16 20:45:27,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-16 20:45:27,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-16 20:45:27,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-16 20:45:27,879 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-16 20:45:27,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:45:27" (1/1) ... [2021-02-16 20:45:27,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:45:27" (1/1) ... [2021-02-16 20:45:27,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-16 20:45:27,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-16 20:45:27,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-16 20:45:27,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-16 20:45:27,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:45:27" (1/1) ... [2021-02-16 20:45:27,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:45:27" (1/1) ... [2021-02-16 20:45:27,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:45:27" (1/1) ... [2021-02-16 20:45:27,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:45:27" (1/1) ... [2021-02-16 20:45:27,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:45:27" (1/1) ... [2021-02-16 20:45:27,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:45:27" (1/1) ... [2021-02-16 20:45:27,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:45:27" (1/1) ... [2021-02-16 20:45:27,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-16 20:45:27,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-16 20:45:27,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-16 20:45:27,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-16 20:45:27,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:45:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-16 20:45:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-02-16 20:45:28,065 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-02-16 20:45:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-02-16 20:45:28,065 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-02-16 20:45:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-16 20:45:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-02-16 20:45:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-16 20:45:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-16 20:45:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-16 20:45:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-02-16 20:45:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-16 20:45:28,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-16 20:45:28,068 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-16 20:45:28,575 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-16 20:45:28,576 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-02-16 20:45:28,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 08:45:28 BoogieIcfgContainer [2021-02-16 20:45:28,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-16 20:45:28,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-16 20:45:28,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-16 20:45:28,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-16 20:45:28,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 08:45:27" (1/3) ... [2021-02-16 20:45:28,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc1a6ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 08:45:28, skipping insertion in model container [2021-02-16 20:45:28,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:45:27" (2/3) ... [2021-02-16 20:45:28,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc1a6ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 08:45:28, skipping insertion in model container [2021-02-16 20:45:28,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 08:45:28" (3/3) ... [2021-02-16 20:45:28,587 INFO L111 eAbstractionObserver]: Analyzing ICFG triangular-1.i [2021-02-16 20:45:28,595 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-16 20:45:28,595 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-16 20:45:28,600 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-16 20:45:28,601 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-16 20:45:28,645 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,646 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,646 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,648 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,648 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,648 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,650 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,650 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,651 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,652 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,652 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,652 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,652 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,652 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,652 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,654 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,654 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,654 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,654 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,655 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,655 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,656 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,656 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,656 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,656 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,656 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,657 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,657 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,657 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,657 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,660 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,660 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,661 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,668 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,668 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,669 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,669 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,669 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,669 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-02-16 20:45:28,674 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-02-16 20:45:28,696 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-02-16 20:45:28,742 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-16 20:45:28,743 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-16 20:45:28,743 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-16 20:45:28,743 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-16 20:45:28,743 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-16 20:45:28,743 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-16 20:45:28,744 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-16 20:45:28,744 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-16 20:45:28,801 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-16 20:45:28,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-16 20:45:28,808 INFO L82 PathProgramCache]: Analyzing trace with hash 358503957, now seen corresponding path program 1 times [2021-02-16 20:45:28,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-16 20:45:28,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258169822] [2021-02-16 20:45:28,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-16 20:45:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-16 20:45:28,964 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-16 20:45:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-16 20:45:28,983 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-16 20:45:29,018 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-16 20:45:29,019 INFO L606 BasicCegarLoop]: Counterexample might be feasible [2021-02-16 20:45:29,019 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-16 20:45:29,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 08:45:29 BasicIcfg [2021-02-16 20:45:29,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-16 20:45:29,052 INFO L168 Benchmark]: Toolchain (without parser) took 1960.67 ms. Allocated memory is still 314.6 MB. Free memory was 288.6 MB in the beginning and 245.2 MB in the end (delta: 43.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 16.0 GB. [2021-02-16 20:45:29,057 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 314.6 MB. Free memory was 285.6 MB in the beginning and 285.4 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-16 20:45:29,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.10 ms. Allocated memory is still 314.6 MB. Free memory was 287.5 MB in the beginning and 290.2 MB in the end (delta: -2.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.0 GB. [2021-02-16 20:45:29,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.71 ms. Allocated memory is still 314.6 MB. Free memory was 290.2 MB in the beginning and 288.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-16 20:45:29,064 INFO L168 Benchmark]: Boogie Preprocessor took 29.79 ms. Allocated memory is still 314.6 MB. Free memory was 288.1 MB in the beginning and 287.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-16 20:45:29,065 INFO L168 Benchmark]: RCFGBuilder took 622.00 ms. Allocated memory is still 314.6 MB. Free memory was 287.1 MB in the beginning and 266.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-02-16 20:45:29,067 INFO L168 Benchmark]: TraceAbstraction took 468.21 ms. Allocated memory is still 314.6 MB. Free memory was 265.1 MB in the beginning and 245.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-02-16 20:45:29,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 314.6 MB. Free memory was 285.6 MB in the beginning and 285.4 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 773.10 ms. Allocated memory is still 314.6 MB. Free memory was 287.5 MB in the beginning and 290.2 MB in the end (delta: -2.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 46.71 ms. Allocated memory is still 314.6 MB. Free memory was 290.2 MB in the beginning and 288.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.79 ms. Allocated memory is still 314.6 MB. Free memory was 288.1 MB in the beginning and 287.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 622.00 ms. Allocated memory is still 314.6 MB. Free memory was 287.1 MB in the beginning and 266.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 468.21 ms. Allocated memory is still 314.6 MB. Free memory was 265.1 MB in the beginning and 245.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L696] COND FALSE !(k < 5) VAL [k=5] [L704] COND FALSE !(k < 5) VAL [k=5, k=5] [L721] COND FALSE !(condI || condJ) VAL [k=5, k=5] [L704] COND FALSE !(k < 5) VAL [k=5, k=5] [L722] reach_error() VAL [k=5, k=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...