/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_bench_longest-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 12:33:38,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 12:33:38,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 12:33:38,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 12:33:38,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 12:33:38,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 12:33:38,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 12:33:38,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 12:33:38,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 12:33:38,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 12:33:38,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 12:33:38,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 12:33:38,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 12:33:38,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 12:33:38,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 12:33:38,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 12:33:38,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 12:33:38,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 12:33:38,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 12:33:38,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 12:33:38,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 12:33:38,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 12:33:38,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 12:33:38,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 12:33:38,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-10 12:33:38,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-10 12:33:38,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-10 12:33:38,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-10 12:33:38,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-10 12:33:38,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-10 12:33:38,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 12:33:38,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 12:33:38,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 12:33:38,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 12:33:38,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 12:33:38,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 12:33:38,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 12:33:38,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 12:33:38,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 12:33:38,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 12:33:38,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 12:33:38,333 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-07-10 12:33:38,371 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 12:33:38,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 12:33:38,372 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 12:33:38,373 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 12:33:38,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 12:33:38,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 12:33:38,376 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 12:33:38,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 12:33:38,376 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 12:33:38,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 12:33:38,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 12:33:38,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 12:33:38,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 12:33:38,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 12:33:38,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 12:33:38,378 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 12:33:38,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 12:33:38,378 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 12:33:38,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 12:33:38,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 12:33:38,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 12:33:38,389 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 12:33:38,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 12:33:38,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 12:33:38,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 12:33:38,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 12:33:38,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 12:33:38,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 12:33:38,390 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-10 12:33:38,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 12:33:38,390 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 12:33:38,390 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 12:33:38,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 12:33:38,390 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 12:33:38,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 12:33:38,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 12:33:38,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 12:33:38,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 12:33:38,730 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 12:33:38,731 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 12:33:38,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_bench_longest-1.i [2021-07-10 12:33:38,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c515c1928/b973b9de3e274712a6bde3a602c769e4/FLAG8b4c60261 [2021-07-10 12:33:39,256 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 12:33:39,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench_longest-1.i [2021-07-10 12:33:39,276 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c515c1928/b973b9de3e274712a6bde3a602c769e4/FLAG8b4c60261 [2021-07-10 12:33:39,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c515c1928/b973b9de3e274712a6bde3a602c769e4 [2021-07-10 12:33:39,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 12:33:39,608 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 12:33:39,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 12:33:39,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 12:33:39,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 12:33:39,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 12:33:39" (1/1) ... [2021-07-10 12:33:39,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c20b4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:33:39, skipping insertion in model container [2021-07-10 12:33:39,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 12:33:39" (1/1) ... [2021-07-10 12:33:39,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 12:33:39,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 12:33:39,909 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench_longest-1.i[30286,30299] [2021-07-10 12:33:39,923 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench_longest-1.i[31038,31051] [2021-07-10 12:33:39,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 12:33:39,930 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 12:33:39,959 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench_longest-1.i[30286,30299] [2021-07-10 12:33:39,964 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench_longest-1.i[31038,31051] [2021-07-10 12:33:39,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 12:33:40,016 INFO L208 MainTranslator]: Completed translation [2021-07-10 12:33:40,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:33:40 WrapperNode [2021-07-10 12:33:40,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 12:33:40,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 12:33:40,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 12:33:40,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 12:33:40,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:33:40" (1/1) ... [2021-07-10 12:33:40,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:33:40" (1/1) ... [2021-07-10 12:33:40,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 12:33:40,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 12:33:40,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 12:33:40,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 12:33:40,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:33:40" (1/1) ... [2021-07-10 12:33:40,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:33:40" (1/1) ... [2021-07-10 12:33:40,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:33:40" (1/1) ... [2021-07-10 12:33:40,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:33:40" (1/1) ... [2021-07-10 12:33:40,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:33:40" (1/1) ... [2021-07-10 12:33:40,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:33:40" (1/1) ... [2021-07-10 12:33:40,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:33:40" (1/1) ... [2021-07-10 12:33:40,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 12:33:40,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 12:33:40,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 12:33:40,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 12:33:40,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:33:40" (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 [2021-07-10 12:33:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-07-10 12:33:40,184 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-07-10 12:33:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-07-10 12:33:40,184 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-07-10 12:33:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 12:33:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-10 12:33:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 12:33:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 12:33:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 12:33:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-10 12:33:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 12:33:40,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 12:33:40,187 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 12:33:40,568 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 12:33:40,568 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-07-10 12:33:40,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 12:33:40 BoogieIcfgContainer [2021-07-10 12:33:40,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 12:33:40,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 12:33:40,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 12:33:40,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 12:33:40,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 12:33:39" (1/3) ... [2021-07-10 12:33:40,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394ac996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 12:33:40, skipping insertion in model container [2021-07-10 12:33:40,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 12:33:40" (2/3) ... [2021-07-10 12:33:40,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394ac996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 12:33:40, skipping insertion in model container [2021-07-10 12:33:40,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 12:33:40" (3/3) ... [2021-07-10 12:33:40,579 INFO L111 eAbstractionObserver]: Analyzing ICFG fib_bench_longest-1.i [2021-07-10 12:33:40,587 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 12:33:40,588 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 12:33:40,588 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 12:33:40,589 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 12:33:40,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,619 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,619 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,620 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,620 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,620 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,620 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,620 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,620 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,621 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,621 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,621 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,621 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,621 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,621 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,622 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,622 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,622 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,622 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,623 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,624 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,624 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,624 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,624 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,625 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,625 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,626 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,627 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,627 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,627 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,628 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,628 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,628 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,628 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,628 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,629 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,629 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,629 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,629 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,629 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,629 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,630 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,630 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,630 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,630 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,630 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,631 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,632 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,632 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,633 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,633 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,633 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,633 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,633 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,634 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,634 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,634 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,636 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,636 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,636 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,637 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,637 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,642 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,643 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,643 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,643 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,643 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,643 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 12:33:40,646 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-10 12:33:40,668 INFO L255 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) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 12:33:40,734 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 12:33:40,735 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 12:33:40,735 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 12:33:40,735 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 12:33:40,735 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 12:33:40,735 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 12:33:40,735 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 12:33:40,735 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 12:33:40,882 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 12:33:40,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 12:33:40,886 INFO L82 PathProgramCache]: Analyzing trace with hash -764409312, now seen corresponding path program 1 times [2021-07-10 12:33:40,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 12:33:40,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595750580] [2021-07-10 12:33:40,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 12:33:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 12:33:41,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 12:33:41,082 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 12:33:41,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595750580] [2021-07-10 12:33:41,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595750580] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 12:33:41,085 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 12:33:41,085 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 12:33:41,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109177087] [2021-07-10 12:33:41,090 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-10 12:33:41,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 12:33:41,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-10 12:33:41,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-10 12:33:41,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:33:41,114 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 12:33:41,116 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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) [2021-07-10 12:33:41,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:33:41,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:33:41,129 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 12:33:41,130 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 12:33:41,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 12:33:41,134 INFO L82 PathProgramCache]: Analyzing trace with hash 589823906, now seen corresponding path program 1 times [2021-07-10 12:33:41,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 12:33:41,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610166693] [2021-07-10 12:33:41,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 12:33:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 12:33:41,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 12:33:41,291 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 12:33:41,291 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610166693] [2021-07-10 12:33:41,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610166693] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 12:33:41,292 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 12:33:41,292 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 12:33:41,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842530730] [2021-07-10 12:33:41,294 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 12:33:41,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 12:33:41,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 12:33:41,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 12:33:41,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:33:41,296 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 12:33:41,296 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2021-07-10 12:33:41,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:33:41,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:33:41,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:33:41,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 12:33:41,345 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 12:33:41,345 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 12:33:41,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 12:33:41,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1462691411, now seen corresponding path program 1 times [2021-07-10 12:33:41,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 12:33:41,346 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709446926] [2021-07-10 12:33:41,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 12:33:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 12:33:41,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 12:33:41,416 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 12:33:41,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709446926] [2021-07-10 12:33:41,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709446926] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 12:33:41,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642252965] [2021-07-10 12:33:41,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 12:33:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 12:33:41,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-10 12:33:41,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 12:33:41,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 12:33:41,744 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642252965] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 12:33:41,744 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-10 12:33:41,744 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-07-10 12:33:41,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687426] [2021-07-10 12:33:41,745 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 12:33:41,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 12:33:41,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 12:33:41,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-10 12:33:41,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:33:41,746 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 12:33:41,746 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-07-10 12:33:41,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:33:41,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 12:33:41,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:33:41,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:33:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 12:33:41,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 12:33:42,000 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 12:33:42,001 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 12:33:42,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 12:33:42,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1434061299, now seen corresponding path program 1 times [2021-07-10 12:33:42,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 12:33:42,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283449667] [2021-07-10 12:33:42,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 12:33:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 12:33:42,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 12:33:42,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 12:33:42,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283449667] [2021-07-10 12:33:42,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283449667] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 12:33:42,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929788702] [2021-07-10 12:33:42,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 12:33:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 12:33:42,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-10 12:33:42,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 12:33:42,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 12:33:42,308 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929788702] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 12:33:42,308 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 12:33:42,308 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-10 12:33:42,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653377863] [2021-07-10 12:33:42,309 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 12:33:42,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 12:33:42,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 12:33:42,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-10 12:33:42,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:33:42,311 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 12:33:42,311 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-07-10 12:33:42,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:33:42,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 12:33:42,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 12:33:42,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:33:42,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:33:42,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 12:33:42,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 12:33:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 12:33:42,623 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 12:33:42,623 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 12:33:42,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 12:33:42,624 INFO L82 PathProgramCache]: Analyzing trace with hash -743041332, now seen corresponding path program 1 times [2021-07-10 12:33:42,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 12:33:42,624 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114821264] [2021-07-10 12:33:42,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 12:33:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 12:33:42,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 12:33:42,816 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 12:33:42,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114821264] [2021-07-10 12:33:42,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114821264] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 12:33:42,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991401126] [2021-07-10 12:33:42,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 12:33:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 12:33:42,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 12:33:42,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 12:33:43,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 12:33:43,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991401126] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 12:33:43,026 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 12:33:43,026 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2021-07-10 12:33:43,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999509254] [2021-07-10 12:33:43,028 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 12:33:43,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 12:33:43,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 12:33:43,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-07-10 12:33:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:33:43,029 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 12:33:43,029 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 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) [2021-07-10 12:33:43,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:33:43,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 12:33:43,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 12:33:43,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 12:33:43,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 12:33:43,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 12:33:43,457 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Guarantee of compatibility failed at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompliantDfsOrder.lambda$0(PersistentSetReduction.java:137) at java.base/java.util.TimSort.countRunAndMakeAscending(TimSort.java:356) at java.base/java.util.TimSort.sort(TimSort.java:220) at java.base/java.util.Arrays.sort(Arrays.java:1515) at java.base/java.util.ArrayList.sort(ArrayList.java:1750) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:147) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-07-10 12:33:43,461 INFO L168 Benchmark]: Toolchain (without parser) took 3851.95 ms. Allocated memory was 177.2 MB in the beginning and 237.0 MB in the end (delta: 59.8 MB). Free memory was 141.5 MB in the beginning and 213.8 MB in the end (delta: -72.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 12:33:43,461 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 177.2 MB. Free memory is still 159.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 12:33:43,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.80 ms. Allocated memory is still 177.2 MB. Free memory was 141.3 MB in the beginning and 157.9 MB in the end (delta: -16.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-07-10 12:33:43,461 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.46 ms. Allocated memory is still 177.2 MB. Free memory was 157.9 MB in the beginning and 156.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 12:33:43,461 INFO L168 Benchmark]: Boogie Preprocessor took 20.17 ms. Allocated memory is still 177.2 MB. Free memory was 156.2 MB in the beginning and 154.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 12:33:43,461 INFO L168 Benchmark]: RCFGBuilder took 467.98 ms. Allocated memory is still 177.2 MB. Free memory was 154.7 MB in the beginning and 133.6 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-07-10 12:33:43,461 INFO L168 Benchmark]: TraceAbstraction took 2886.61 ms. Allocated memory was 177.2 MB in the beginning and 237.0 MB in the end (delta: 59.8 MB). Free memory was 133.1 MB in the beginning and 213.8 MB in the end (delta: -80.7 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 12:33:43,462 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 177.2 MB. Free memory is still 159.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 406.80 ms. Allocated memory is still 177.2 MB. Free memory was 141.3 MB in the beginning and 157.9 MB in the end (delta: -16.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 63.46 ms. Allocated memory is still 177.2 MB. Free memory was 157.9 MB in the beginning and 156.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.17 ms. Allocated memory is still 177.2 MB. Free memory was 156.2 MB in the beginning and 154.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 467.98 ms. Allocated memory is still 177.2 MB. Free memory was 154.7 MB in the beginning and 133.6 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2886.61 ms. Allocated memory was 177.2 MB in the beginning and 237.0 MB in the end (delta: 59.8 MB). Free memory was 133.1 MB in the beginning and 213.8 MB in the end (delta: -80.7 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Guarantee of compatibility failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Guarantee of compatibility failed: de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompliantDfsOrder.lambda$0(PersistentSetReduction.java:137) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...