/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 00:07:40,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 00:07:40,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 00:07:40,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 00:07:40,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 00:07:40,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 00:07:40,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 00:07:40,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 00:07:40,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 00:07:40,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 00:07:40,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 00:07:40,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 00:07:40,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 00:07:40,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 00:07:40,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 00:07:40,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 00:07:40,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 00:07:40,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 00:07:40,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 00:07:40,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 00:07:40,260 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.epf [2022-02-19 00:07:40,278 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 00:07:40,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 00:07:40,278 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 00:07:40,279 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 00:07:40,279 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 00:07:40,280 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 00:07:40,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 00:07:40,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 00:07:40,280 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 00:07:40,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 00:07:40,280 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 00:07:40,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 00:07:40,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 00:07:40,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 00:07:40,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 00:07:40,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 00:07:40,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 00:07:40,281 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 00:07:40,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 00:07:40,282 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 00:07:40,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 00:07:40,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 00:07:40,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 00:07:40,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 00:07:40,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 00:07:40,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 00:07:40,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 00:07:40,283 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 00:07:40,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 00:07:40,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 00:07:40,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 00:07:40,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 00:07:40,283 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 00:07:40,283 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 00:07:40,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 00:07:40,284 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-19 00:07:40,284 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-19 00:07:40,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 00:07:40,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 00:07:40,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 00:07:40,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 00:07:40,524 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 00:07:40,524 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 00:07:40,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i [2022-02-19 00:07:40,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfd7f7a64/3bc2bb93977a4b24b7c32e51ca25443a/FLAG07394b958 [2022-02-19 00:07:41,054 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 00:07:41,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i [2022-02-19 00:07:41,074 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfd7f7a64/3bc2bb93977a4b24b7c32e51ca25443a/FLAG07394b958 [2022-02-19 00:07:41,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfd7f7a64/3bc2bb93977a4b24b7c32e51ca25443a [2022-02-19 00:07:41,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 00:07:41,385 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 00:07:41,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 00:07:41,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 00:07:41,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 00:07:41,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 12:07:41" (1/1) ... [2022-02-19 00:07:41,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c091b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:07:41, skipping insertion in model container [2022-02-19 00:07:41,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 12:07:41" (1/1) ... [2022-02-19 00:07:41,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 00:07:41,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 00:07:41,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i[938,951] [2022-02-19 00:07:41,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 00:07:41,753 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 00:07:41,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i[938,951] [2022-02-19 00:07:41,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 00:07:41,850 INFO L208 MainTranslator]: Completed translation [2022-02-19 00:07:41,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:07:41 WrapperNode [2022-02-19 00:07:41,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 00:07:41,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 00:07:41,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 00:07:41,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 00:07:41,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:07:41" (1/1) ... [2022-02-19 00:07:41,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:07:41" (1/1) ... [2022-02-19 00:07:41,927 INFO L137 Inliner]: procedures = 174, calls = 30, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 122 [2022-02-19 00:07:41,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 00:07:41,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 00:07:41,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 00:07:41,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 00:07:41,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:07:41" (1/1) ... [2022-02-19 00:07:41,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:07:41" (1/1) ... [2022-02-19 00:07:41,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:07:41" (1/1) ... [2022-02-19 00:07:41,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:07:41" (1/1) ... [2022-02-19 00:07:41,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:07:41" (1/1) ... [2022-02-19 00:07:41,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:07:41" (1/1) ... [2022-02-19 00:07:41,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:07:41" (1/1) ... [2022-02-19 00:07:41,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 00:07:41,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 00:07:41,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 00:07:41,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 00:07:41,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:07:41" (1/1) ... [2022-02-19 00:07:41,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 00:07:41,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 00:07:42,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 00:07:42,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 00:07:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 00:07:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 00:07:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 00:07:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 00:07:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 00:07:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2022-02-19 00:07:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2022-02-19 00:07:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2022-02-19 00:07:42,058 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2022-02-19 00:07:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 00:07:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 00:07:42,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 00:07:42,059 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 00:07:42,194 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 00:07:42,196 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 00:07:42,509 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 00:07:42,549 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 00:07:42,549 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-19 00:07:42,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 12:07:42 BoogieIcfgContainer [2022-02-19 00:07:42,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 00:07:42,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 00:07:42,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 00:07:42,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 00:07:42,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 12:07:41" (1/3) ... [2022-02-19 00:07:42,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c61b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 12:07:42, skipping insertion in model container [2022-02-19 00:07:42,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 12:07:41" (2/3) ... [2022-02-19 00:07:42,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c61b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 12:07:42, skipping insertion in model container [2022-02-19 00:07:42,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 12:07:42" (3/3) ... [2022-02-19 00:07:42,560 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd-2.i [2022-02-19 00:07:42,565 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 00:07:42,565 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 00:07:42,565 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-02-19 00:07:42,565 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 00:07:42,626 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,626 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,626 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,626 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,627 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,627 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,627 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,627 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,630 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,631 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,631 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,632 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,634 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,634 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,635 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,635 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,635 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,635 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,635 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,636 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,638 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,638 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,640 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,640 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,647 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,649 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,649 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,649 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,652 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,652 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,652 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,652 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 00:07:42,658 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-19 00:07:42,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 00:07:42,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 00:07:42,715 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 00:07:42,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 00:07:42,747 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-19 00:07:42,755 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-19 00:07:42,755 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-19 00:07:42,939 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-19 00:07:42,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 00:07:42,945 INFO L85 PathProgramCache]: Analyzing trace with hash 147863799, now seen corresponding path program 1 times [2022-02-19 00:07:42,952 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 00:07:42,952 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475411832] [2022-02-19 00:07:42,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:07:42,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 00:07:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 00:07:43,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 00:07:43,195 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 00:07:43,195 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475411832] [2022-02-19 00:07:43,197 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475411832] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 00:07:43,197 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 00:07:43,197 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 00:07:43,198 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379442844] [2022-02-19 00:07:43,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 00:07:43,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 00:07:43,207 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 00:07:43,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 00:07:43,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 00:07:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:07:43,231 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 00:07:43,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 55.0) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 00:07:43,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:07:43,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:07:43,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 00:07:43,264 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-19 00:07:43,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 00:07:43,264 INFO L85 PathProgramCache]: Analyzing trace with hash 700974173, now seen corresponding path program 1 times [2022-02-19 00:07:43,265 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 00:07:43,265 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345514317] [2022-02-19 00:07:43,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:07:43,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 00:07:43,304 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-19 00:07:43,305 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2025225488] [2022-02-19 00:07:43,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:07:43,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 00:07:43,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 00:07:43,307 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 00:07:43,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 00:07:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 00:07:43,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 26 conjunts are in the unsatisfiable core [2022-02-19 00:07:43,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 00:07:44,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 00:07:44,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-19 00:07:44,364 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 00:07:44,365 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345514317] [2022-02-19 00:07:44,365 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-19 00:07:44,368 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025225488] [2022-02-19 00:07:44,373 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025225488] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 00:07:44,373 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 00:07:44,373 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-02-19 00:07:44,374 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380772508] [2022-02-19 00:07:44,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 00:07:44,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-19 00:07:44,377 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 00:07:44,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-19 00:07:44,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-02-19 00:07:44,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:07:44,379 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 00:07:44,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.0) internal successors, (105), 15 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 00:07:44,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:07:44,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:07:45,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:07:45,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 00:07:45,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-19 00:07:45,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-02-19 00:07:45,216 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-19 00:07:45,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 00:07:45,216 INFO L85 PathProgramCache]: Analyzing trace with hash 155644565, now seen corresponding path program 1 times [2022-02-19 00:07:45,217 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 00:07:45,217 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367104751] [2022-02-19 00:07:45,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:07:45,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 00:07:45,262 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-19 00:07:45,263 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [227135316] [2022-02-19 00:07:45,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:07:45,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 00:07:45,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 00:07:45,267 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 00:07:45,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 00:07:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 00:07:45,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-19 00:07:45,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 00:07:45,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 00:07:45,997 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-19 00:07:45,997 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 00:07:45,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367104751] [2022-02-19 00:07:45,997 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-19 00:07:45,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227135316] [2022-02-19 00:07:45,997 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227135316] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 00:07:45,998 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 00:07:45,998 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-02-19 00:07:45,998 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528134359] [2022-02-19 00:07:45,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 00:07:45,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-19 00:07:45,999 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 00:07:45,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-19 00:07:46,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2022-02-19 00:07:46,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:07:46,000 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 00:07:46,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.9375) internal successors, (111), 16 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 00:07:46,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:07:46,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 00:07:46,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:07:47,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:07:47,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 00:07:47,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 00:07:47,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 00:07:47,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 00:07:47,271 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-19 00:07:47,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 00:07:47,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1834907792, now seen corresponding path program 1 times [2022-02-19 00:07:47,272 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 00:07:47,272 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405814565] [2022-02-19 00:07:47,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:07:47,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 00:07:47,320 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-19 00:07:47,320 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1977965366] [2022-02-19 00:07:47,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:07:47,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 00:07:47,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 00:07:47,325 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 00:07:47,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 00:07:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 00:07:47,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 43 conjunts are in the unsatisfiable core [2022-02-19 00:07:47,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 00:07:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 00:07:48,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-19 00:07:48,786 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 00:07:48,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405814565] [2022-02-19 00:07:48,786 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-19 00:07:48,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977965366] [2022-02-19 00:07:48,786 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977965366] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 00:07:48,786 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 00:07:48,787 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-02-19 00:07:48,787 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49757646] [2022-02-19 00:07:48,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 00:07:48,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-19 00:07:48,788 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 00:07:48,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-19 00:07:48,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2022-02-19 00:07:48,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:07:48,789 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 00:07:48,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.318181818181818) internal successors, (117), 22 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 00:07:48,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:07:48,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 00:07:48,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 00:07:48,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:07:50,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:07:50,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 00:07:50,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 00:07:50,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 00:07:50,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 00:07:51,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 00:07:51,052 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-19 00:07:51,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 00:07:51,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1002552133, now seen corresponding path program 1 times [2022-02-19 00:07:51,053 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 00:07:51,053 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638045372] [2022-02-19 00:07:51,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:07:51,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 00:07:51,091 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-19 00:07:51,091 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [999902315] [2022-02-19 00:07:51,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:07:51,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 00:07:51,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 00:07:51,099 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 00:07:51,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 00:07:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 00:07:51,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 36 conjunts are in the unsatisfiable core [2022-02-19 00:07:51,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 00:07:52,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 00:07:52,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 00:08:24,461 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_main_~b_in~0#1| 4294967296))) (or (= (mod (mod (mod (+ |c_ULTIMATE.start_main_~b_in~0#1| .cse0) 4294967296) .cse0) 4294967296) 0) (<= (div (+ (* |c_ULTIMATE.start_main_~b_in~0#1| (- 4294967295)) (- 4294967296) (* .cse0 (- 4294967295))) (- 4294967296)) (+ (div (* |c_ULTIMATE.start_main_~b_in~0#1| 4294967295) 4294967296) .cse0 1)))) is different from true [2022-02-19 00:08:42,633 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_main_~b_in~0#1| 4294967296))) (or (= (mod (mod (mod (+ |c_ULTIMATE.start_main_~b_in~0#1| .cse0) 4294967296) .cse0) 4294967296) 0) (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= (div (+ (* |c_ULTIMATE.start_main_~b_in~0#1| (- 4294967295)) (- 4294967296) (* .cse0 (- 4294967295))) (- 4294967296)) (+ (div (* |c_ULTIMATE.start_main_~b_in~0#1| 4294967295) 4294967296) .cse0 1)))) is different from true [2022-02-19 00:08:43,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 00:08:43,508 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 00:08:43,508 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638045372] [2022-02-19 00:08:43,508 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-19 00:08:43,508 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999902315] [2022-02-19 00:08:43,508 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999902315] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 00:08:43,509 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-19 00:08:43,509 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 35 [2022-02-19 00:08:43,509 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472822307] [2022-02-19 00:08:43,509 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-19 00:08:43,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-02-19 00:08:43,510 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 00:08:43,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-02-19 00:08:43,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=960, Unknown=7, NotChecked=126, Total=1190 [2022-02-19 00:08:43,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:08:43,511 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 00:08:43,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 5.285714285714286) internal successors, (185), 35 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 00:08:43,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:08:43,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 00:08:43,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 00:08:43,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 00:08:43,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:08:45,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-19 00:08:47,622 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-19 00:09:04,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-19 00:09:10,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-19 00:09:34,090 WARN L228 SmtUtils]: Spent 6.43s on a formula simplification. DAG size of input: 90 DAG size of output: 56 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-19 00:09:59,863 WARN L228 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 114 DAG size of output: 78 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-19 00:10:23,511 WARN L228 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 103 DAG size of output: 76 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-19 00:10:35,166 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-19 00:10:36,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-02-19 00:10:46,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:10:46,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 00:10:46,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 00:10:46,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 00:10:46,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 00:10:46,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-19 00:10:46,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 00:10:46,287 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-19 00:10:46,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 00:10:46,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1855386739, now seen corresponding path program 1 times [2022-02-19 00:10:46,288 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 00:10:46,288 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706810978] [2022-02-19 00:10:46,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:10:46,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 00:10:46,310 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-19 00:10:46,310 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1423997110] [2022-02-19 00:10:46,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:10:46,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 00:10:46,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 00:10:46,322 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 00:10:46,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 00:10:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 00:10:46,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-19 00:10:46,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 00:10:47,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 00:10:47,371 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-19 00:10:47,372 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 00:10:47,372 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706810978] [2022-02-19 00:10:47,372 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-19 00:10:47,372 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423997110] [2022-02-19 00:10:47,372 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423997110] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 00:10:47,372 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 00:10:47,372 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-02-19 00:10:47,373 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261807569] [2022-02-19 00:10:47,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 00:10:47,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-19 00:10:47,373 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 00:10:47,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-19 00:10:47,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2022-02-19 00:10:47,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:10:47,374 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 00:10:47,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.0625) internal successors, (113), 16 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 00:10:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:10:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 00:10:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-19 00:10:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 00:10:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 00:10:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:10:49,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 00:10:49,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 00:10:49,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-19 00:10:49,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 00:10:49,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 00:10:49,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 00:10:49,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-19 00:10:49,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 00:10:49,760 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-19 00:10:49,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 00:10:49,760 INFO L85 PathProgramCache]: Analyzing trace with hash -2116801842, now seen corresponding path program 1 times [2022-02-19 00:10:49,760 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 00:10:49,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448383351] [2022-02-19 00:10:49,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:10:49,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 00:10:49,780 ERROR L252 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-02-19 00:10:49,781 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [484139676] [2022-02-19 00:10:49,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 00:10:49,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 00:10:49,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 00:10:49,785 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 00:10:49,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 00:10:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 00:10:50,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 40 conjunts are in the unsatisfiable core [2022-02-19 00:10:50,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-02-19 00:22:03,639 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 00:22:03,640 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-19 00:22:03,643 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-02-19 00:22:03,662 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 00:22:03,662 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 00:22:03,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-19 00:22:03,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 00:22:03,844 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 120 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 8ms.. [2022-02-19 00:22:03,855 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-02-19 00:22:03,855 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2022-02-19 00:22:03,855 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 5 remaining) [2022-02-19 00:22:03,855 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 5 remaining) [2022-02-19 00:22:03,862 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-02-19 00:22:03,863 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 00:22:03,864 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 00:22:03,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 12:22:03 BasicIcfg [2022-02-19 00:22:03,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 00:22:03,866 INFO L158 Benchmark]: Toolchain (without parser) took 862480.60ms. Allocated memory was 179.3MB in the beginning and 264.2MB in the end (delta: 84.9MB). Free memory was 127.3MB in the beginning and 80.1MB in the end (delta: 47.2MB). Peak memory consumption was 141.3MB. Max. memory is 8.0GB. [2022-02-19 00:22:03,866 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory was 144.8MB in the beginning and 144.8MB in the end (delta: 71.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 00:22:03,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.61ms. Allocated memory was 179.3MB in the beginning and 220.2MB in the end (delta: 40.9MB). Free memory was 127.2MB in the beginning and 187.9MB in the end (delta: -60.8MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. [2022-02-19 00:22:03,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.81ms. Allocated memory is still 220.2MB. Free memory was 187.9MB in the beginning and 185.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-19 00:22:03,867 INFO L158 Benchmark]: Boogie Preprocessor took 43.56ms. Allocated memory is still 220.2MB. Free memory was 185.3MB in the beginning and 183.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 00:22:03,867 INFO L158 Benchmark]: RCFGBuilder took 578.21ms. Allocated memory is still 220.2MB. Free memory was 183.8MB in the beginning and 167.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-02-19 00:22:03,867 INFO L158 Benchmark]: TraceAbstraction took 861312.36ms. Allocated memory was 220.2MB in the beginning and 264.2MB in the end (delta: 44.0MB). Free memory was 166.4MB in the beginning and 80.1MB in the end (delta: 86.3MB). Peak memory consumption was 139.5MB. Max. memory is 8.0GB. [2022-02-19 00:22:03,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory was 144.8MB in the beginning and 144.8MB in the end (delta: 71.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 462.61ms. Allocated memory was 179.3MB in the beginning and 220.2MB in the end (delta: 40.9MB). Free memory was 127.2MB in the beginning and 187.9MB in the end (delta: -60.8MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 75.81ms. Allocated memory is still 220.2MB. Free memory was 187.9MB in the beginning and 185.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.56ms. Allocated memory is still 220.2MB. Free memory was 185.3MB in the beginning and 183.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 578.21ms. Allocated memory is still 220.2MB. Free memory was 183.8MB in the beginning and 167.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 861312.36ms. Allocated memory was 220.2MB in the beginning and 264.2MB in the end (delta: 44.0MB). Free memory was 166.4MB in the beginning and 80.1MB in the end (delta: 86.3MB). Peak memory consumption was 139.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 609, positive: 495, positive conditional: 209, positive unconditional: 286, negative: 114, negative conditional: 110, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 499, positive: 495, positive conditional: 209, positive unconditional: 286, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 499, positive: 495, positive conditional: 209, positive unconditional: 286, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 499, positive: 495, positive conditional: 155, positive unconditional: 340, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 499, positive: 495, positive conditional: 27, positive unconditional: 468, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499, positive: 495, positive conditional: 27, positive unconditional: 468, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 288, positive: 284, positive conditional: 0, positive unconditional: 284, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 288, positive: 282, positive conditional: 0, positive unconditional: 282, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 499, positive: 211, positive conditional: 27, positive unconditional: 184, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 288, unknown conditional: 0, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 288, Positive cache size: 284, Positive conditional cache size: 0, Positive unconditional cache size: 284, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 128, Maximal queried relation: 0, Independence queries for same thread: 110 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 125, Number of trivial persistent sets: 118, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 290, positive: 286, positive conditional: 0, positive unconditional: 286, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 609, positive: 495, positive conditional: 209, positive unconditional: 286, negative: 114, negative conditional: 110, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 499, positive: 495, positive conditional: 209, positive unconditional: 286, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 499, positive: 495, positive conditional: 209, positive unconditional: 286, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 499, positive: 495, positive conditional: 155, positive unconditional: 340, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 499, positive: 495, positive conditional: 27, positive unconditional: 468, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499, positive: 495, positive conditional: 27, positive unconditional: 468, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 288, positive: 284, positive conditional: 0, positive unconditional: 284, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 288, positive: 282, positive conditional: 0, positive unconditional: 282, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 499, positive: 211, positive conditional: 27, positive unconditional: 184, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 288, unknown conditional: 0, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 288, Positive cache size: 284, Positive conditional cache size: 0, Positive unconditional cache size: 284, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 128, Maximal queried relation: 0, Independence queries for same thread: 110 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 120 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 8ms.. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 120 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 8ms.. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 120 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 8ms.. - TimeoutResultAtElement [Line: 729]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 120 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 8ms.. - TimeoutResultAtElement [Line: 730]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 120 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 8ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 156 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 861.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 128.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 109, 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: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 56.0s InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 763 ConstructedInterpolants, 0 QuantifiedInterpolants, 6857 SizeOfPredicates, 83 NumberOfNonLiveVariables, 1186 ConjunctsInSsa, 163 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 1/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown