/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix026_pso.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 17:51:26,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 17:51:26,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 17:51:26,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 17:51:26,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 17:51:26,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 17:51:26,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 17:51:26,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 17:51:26,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 17:51:26,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 17:51:26,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 17:51:26,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 17:51:26,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 17:51:26,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 17:51:26,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 17:51:26,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 17:51:26,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 17:51:26,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 17:51:26,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 17:51:26,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 17:51:26,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 17:51:26,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 17:51:26,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 17:51:26,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 17:51:26,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-15 17:51:26,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 17:51:26,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 17:51:26,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 17:51:26,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 17:51:26,547 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 17:51:26,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 17:51:26,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 17:51:26,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 17:51:26,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 17:51:26,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 17:51:26,549 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 17:51:26,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 17:51:26,549 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 17:51:26,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 17:51:26,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 17:51:26,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 17:51:26,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 17:51:26,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 17:51:26,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 17:51:26,549 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 17:51:26,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 17:51:26,549 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 17:51:26,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 17:51:26,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 17:51:26,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 17:51:26,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 17:51:26,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 17:51:26,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 17:51:26,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 17:51:26,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 17:51:26,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 17:51:26,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 17:51:26,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 17:51:26,550 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 17:51:26,551 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 17:51:26,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 17:51:26,551 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 17:51:26,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 17:51:26,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 17:51:26,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 17:51:26,745 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 17:51:26,746 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 17:51:26,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix026_pso.opt_rmo.opt.i [2022-03-15 17:51:26,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b671eb087/564090c4b9294b7395ab6bad9f3de975/FLAGeabe0c85a [2022-03-15 17:51:27,189 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 17:51:27,189 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix026_pso.opt_rmo.opt.i [2022-03-15 17:51:27,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b671eb087/564090c4b9294b7395ab6bad9f3de975/FLAGeabe0c85a [2022-03-15 17:51:27,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b671eb087/564090c4b9294b7395ab6bad9f3de975 [2022-03-15 17:51:27,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 17:51:27,225 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 17:51:27,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 17:51:27,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 17:51:27,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 17:51:27,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 05:51:27" (1/1) ... [2022-03-15 17:51:27,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@290f5d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:51:27, skipping insertion in model container [2022-03-15 17:51:27,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 05:51:27" (1/1) ... [2022-03-15 17:51:27,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 17:51:27,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 17:51:27,402 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-wmm/mix026_pso.opt_rmo.opt.i[956,969] [2022-03-15 17:51:27,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 17:51:27,546 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 17:51:27,556 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-wmm/mix026_pso.opt_rmo.opt.i[956,969] [2022-03-15 17:51:27,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 17:51:27,649 INFO L208 MainTranslator]: Completed translation [2022-03-15 17:51:27,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:51:27 WrapperNode [2022-03-15 17:51:27,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 17:51:27,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 17:51:27,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 17:51:27,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 17:51:27,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:51:27" (1/1) ... [2022-03-15 17:51:27,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:51:27" (1/1) ... [2022-03-15 17:51:27,716 INFO L137 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 193 [2022-03-15 17:51:27,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 17:51:27,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 17:51:27,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 17:51:27,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 17:51:27,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:51:27" (1/1) ... [2022-03-15 17:51:27,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:51:27" (1/1) ... [2022-03-15 17:51:27,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:51:27" (1/1) ... [2022-03-15 17:51:27,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:51:27" (1/1) ... [2022-03-15 17:51:27,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:51:27" (1/1) ... [2022-03-15 17:51:27,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:51:27" (1/1) ... [2022-03-15 17:51:27,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:51:27" (1/1) ... [2022-03-15 17:51:27,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 17:51:27,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 17:51:27,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 17:51:27,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 17:51:27,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:51:27" (1/1) ... [2022-03-15 17:51:27,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 17:51:27,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 17:51:27,831 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) [2022-03-15 17:51:27,834 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 [2022-03-15 17:51:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 17:51:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-15 17:51:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 17:51:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 17:51:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 17:51:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-03-15 17:51:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-03-15 17:51:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-03-15 17:51:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-03-15 17:51:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-03-15 17:51:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-03-15 17:51:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-03-15 17:51:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-03-15 17:51:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 17:51:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-15 17:51:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 17:51:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 17:51:27,886 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 17:51:28,050 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 17:51:28,060 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 17:51:28,380 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 17:51:28,615 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 17:51:28,616 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 17:51:28,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 05:51:28 BoogieIcfgContainer [2022-03-15 17:51:28,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 17:51:28,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 17:51:28,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 17:51:28,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 17:51:28,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 05:51:27" (1/3) ... [2022-03-15 17:51:28,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3099c96f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 05:51:28, skipping insertion in model container [2022-03-15 17:51:28,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:51:27" (2/3) ... [2022-03-15 17:51:28,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3099c96f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 05:51:28, skipping insertion in model container [2022-03-15 17:51:28,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 05:51:28" (3/3) ... [2022-03-15 17:51:28,627 INFO L111 eAbstractionObserver]: Analyzing ICFG mix026_pso.opt_rmo.opt.i [2022-03-15 17:51:28,631 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 17:51:28,632 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 17:51:28,632 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-03-15 17:51:28,632 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 17:51:28,667 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,667 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,667 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,667 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,668 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,668 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,668 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,668 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,668 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,668 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,668 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,669 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,669 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,669 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,669 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,669 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,669 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,669 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,669 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,670 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,670 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,670 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,670 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,670 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,670 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,670 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,670 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,670 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,670 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,671 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,671 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,671 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,671 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,671 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,671 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,671 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,671 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,671 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,671 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,671 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,673 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,673 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,673 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,673 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,673 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,673 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,675 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,675 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,675 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,675 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,675 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,675 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,675 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,676 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,677 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,677 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,677 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,677 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,677 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,677 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,677 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,677 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,677 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,678 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,678 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,678 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,678 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,678 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,678 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,678 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,679 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,679 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,679 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,679 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,679 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,679 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,682 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,682 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,683 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,683 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,683 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,683 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,683 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,684 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,684 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,684 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,684 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,684 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,684 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,684 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,685 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,685 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,685 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,685 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,686 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,686 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,686 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,686 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,686 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,686 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,687 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,687 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,687 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,688 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,688 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,688 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,688 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,689 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,689 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,689 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,690 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,690 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,690 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,690 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,691 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,691 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,692 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,692 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,692 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,692 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,692 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,692 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,693 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,693 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,693 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,693 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,693 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,693 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,693 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,694 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,694 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,694 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,695 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,695 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,696 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,696 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,697 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,698 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,698 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,698 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,701 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,701 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,702 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,702 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,702 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,702 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,702 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,702 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,703 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,703 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,703 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,703 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,704 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,705 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,705 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,705 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,706 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,706 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,706 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,706 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,706 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,706 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,706 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,707 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,707 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,707 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,708 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,708 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,708 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,708 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,708 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,708 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,708 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,709 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,709 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,709 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,709 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,709 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,710 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,710 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,710 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,710 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,710 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,710 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,710 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,710 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,711 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,711 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,711 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,711 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,711 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,711 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,711 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:51:28,712 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 17:51:28,757 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 17:51:28,761 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 17:51:28,762 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-15 17:51:28,775 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 17:51:28,783 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 136 transitions, 292 flow [2022-03-15 17:51:28,786 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 136 transitions, 292 flow [2022-03-15 17:51:28,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 147 places, 136 transitions, 292 flow [2022-03-15 17:51:28,835 INFO L129 PetriNetUnfolder]: 2/132 cut-off events. [2022-03-15 17:51:28,835 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-03-15 17:51:28,839 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 132 events. 2/132 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-03-15 17:51:28,842 INFO L116 LiptonReduction]: Number of co-enabled transitions 3076 [2022-03-15 17:51:33,132 INFO L131 LiptonReduction]: Checked pairs total: 6875 [2022-03-15 17:51:33,132 INFO L133 LiptonReduction]: Total number of compositions: 114 [2022-03-15 17:51:33,144 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 32 transitions, 84 flow [2022-03-15 17:51:33,353 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2730 states, 2727 states have (on average 3.848918225155849) internal successors, (10496), 2729 states have internal predecessors, (10496), 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) [2022-03-15 17:51:33,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 2730 states, 2727 states have (on average 3.848918225155849) internal successors, (10496), 2729 states have internal predecessors, (10496), 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) [2022-03-15 17:51:33,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-03-15 17:51:33,385 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:51:33,385 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:51:33,385 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:51:33,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:51:33,389 INFO L85 PathProgramCache]: Analyzing trace with hash 374302328, now seen corresponding path program 1 times [2022-03-15 17:51:33,403 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:51:33,403 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509644870] [2022-03-15 17:51:33,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:51:33,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:51:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:51:33,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:51:33,606 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:51:33,607 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509644870] [2022-03-15 17:51:33,607 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509644870] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:51:33,607 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:51:33,607 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-03-15 17:51:33,608 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1015656415] [2022-03-15 17:51:33,608 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:51:33,610 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:51:33,617 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2022-03-15 17:51:33,617 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:51:33,619 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:51:33,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:51:33,620 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:51:33,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:51:33,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:51:33,642 INFO L87 Difference]: Start difference. First operand has 2730 states, 2727 states have (on average 3.848918225155849) internal successors, (10496), 2729 states have internal predecessors, (10496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-03-15 17:51:33,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:51:33,730 INFO L93 Difference]: Finished difference Result 2218 states and 8400 transitions. [2022-03-15 17:51:33,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:51:33,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-03-15 17:51:33,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:51:33,752 INFO L225 Difference]: With dead ends: 2218 [2022-03-15 17:51:33,753 INFO L226 Difference]: Without dead ends: 2122 [2022-03-15 17:51:33,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:51:33,755 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 14 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:51:33,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 8 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:51:33,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2022-03-15 17:51:33,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 2122. [2022-03-15 17:51:33,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2122 states, 2121 states have (on average 3.8095238095238093) internal successors, (8080), 2121 states have internal predecessors, (8080), 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) [2022-03-15 17:51:33,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 2122 states and 8080 transitions. [2022-03-15 17:51:33,888 INFO L78 Accepts]: Start accepts. Automaton has 2122 states and 8080 transitions. Word has length 7 [2022-03-15 17:51:33,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:51:33,889 INFO L470 AbstractCegarLoop]: Abstraction has 2122 states and 8080 transitions. [2022-03-15 17:51:33,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-03-15 17:51:33,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 8080 transitions. [2022-03-15 17:51:33,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 17:51:33,891 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:51:33,891 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:51:33,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 17:51:33,892 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:51:33,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:51:33,892 INFO L85 PathProgramCache]: Analyzing trace with hash 7424696, now seen corresponding path program 1 times [2022-03-15 17:51:33,893 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:51:33,893 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097783713] [2022-03-15 17:51:33,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:51:33,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:51:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:51:33,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:51:33,965 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:51:33,966 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097783713] [2022-03-15 17:51:33,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097783713] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:51:33,966 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:51:33,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-03-15 17:51:33,966 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1144973579] [2022-03-15 17:51:33,966 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:51:33,967 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:51:33,968 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2022-03-15 17:51:33,969 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:51:33,969 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:51:33,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:51:33,970 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:51:33,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:51:33,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:51:33,970 INFO L87 Difference]: Start difference. First operand 2122 states and 8080 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-03-15 17:51:34,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:51:34,092 INFO L93 Difference]: Finished difference Result 3278 states and 12032 transitions. [2022-03-15 17:51:34,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:51:34,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-03-15 17:51:34,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:51:34,109 INFO L225 Difference]: With dead ends: 3278 [2022-03-15 17:51:34,110 INFO L226 Difference]: Without dead ends: 3170 [2022-03-15 17:51:34,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:51:34,111 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 9 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:51:34,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 5 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:51:34,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3170 states. [2022-03-15 17:51:34,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 2894. [2022-03-15 17:51:34,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2894 states, 2893 states have (on average 3.7511234013135155) internal successors, (10852), 2893 states have internal predecessors, (10852), 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) [2022-03-15 17:51:34,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2894 states and 10852 transitions. [2022-03-15 17:51:34,220 INFO L78 Accepts]: Start accepts. Automaton has 2894 states and 10852 transitions. Word has length 11 [2022-03-15 17:51:34,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:51:34,221 INFO L470 AbstractCegarLoop]: Abstraction has 2894 states and 10852 transitions. [2022-03-15 17:51:34,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-03-15 17:51:34,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2894 states and 10852 transitions. [2022-03-15 17:51:34,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 17:51:34,227 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:51:34,227 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:51:34,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 17:51:34,227 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:51:34,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:51:34,228 INFO L85 PathProgramCache]: Analyzing trace with hash 230164285, now seen corresponding path program 1 times [2022-03-15 17:51:34,228 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:51:34,229 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188721062] [2022-03-15 17:51:34,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:51:34,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:51:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:51:34,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:51:34,311 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:51:34,311 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188721062] [2022-03-15 17:51:34,311 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188721062] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:51:34,311 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:51:34,312 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:51:34,312 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1558406548] [2022-03-15 17:51:34,312 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:51:34,313 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:51:34,314 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 16 transitions. [2022-03-15 17:51:34,315 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:51:34,436 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:51:34,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 17:51:34,436 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:51:34,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 17:51:34,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:51:34,437 INFO L87 Difference]: Start difference. First operand 2894 states and 10852 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-03-15 17:51:34,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:51:34,524 INFO L93 Difference]: Finished difference Result 2946 states and 10820 transitions. [2022-03-15 17:51:34,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 17:51:34,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-03-15 17:51:34,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:51:34,572 INFO L225 Difference]: With dead ends: 2946 [2022-03-15 17:51:34,572 INFO L226 Difference]: Without dead ends: 2946 [2022-03-15 17:51:34,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:51:34,575 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 36 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:51:34,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 6 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:51:34,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2946 states. [2022-03-15 17:51:34,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2946 to 2430. [2022-03-15 17:51:34,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2430 states, 2429 states have (on average 3.7447509263071224) internal successors, (9096), 2429 states have internal predecessors, (9096), 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) [2022-03-15 17:51:34,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 2430 states and 9096 transitions. [2022-03-15 17:51:34,637 INFO L78 Accepts]: Start accepts. Automaton has 2430 states and 9096 transitions. Word has length 12 [2022-03-15 17:51:34,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:51:34,637 INFO L470 AbstractCegarLoop]: Abstraction has 2430 states and 9096 transitions. [2022-03-15 17:51:34,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-03-15 17:51:34,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2430 states and 9096 transitions. [2022-03-15 17:51:34,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 17:51:34,639 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:51:34,639 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:51:34,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 17:51:34,640 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:51:34,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:51:34,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1454844474, now seen corresponding path program 1 times [2022-03-15 17:51:34,646 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:51:34,647 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691132872] [2022-03-15 17:51:34,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:51:34,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:51:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:51:34,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:51:34,702 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:51:34,703 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691132872] [2022-03-15 17:51:34,703 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691132872] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:51:34,703 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:51:34,703 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:51:34,703 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [342391691] [2022-03-15 17:51:34,703 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:51:34,704 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:51:34,706 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 21 transitions. [2022-03-15 17:51:34,706 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:51:34,804 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [28958#(not (= 4 ~__unbuffered_cnt~0))] [2022-03-15 17:51:34,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:51:34,805 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:51:34,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:51:34,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:51:34,805 INFO L87 Difference]: Start difference. First operand 2430 states and 9096 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-03-15 17:51:34,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:51:34,909 INFO L93 Difference]: Finished difference Result 1823 states and 6038 transitions. [2022-03-15 17:51:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 17:51:34,909 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-03-15 17:51:34,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:51:34,915 INFO L225 Difference]: With dead ends: 1823 [2022-03-15 17:51:34,915 INFO L226 Difference]: Without dead ends: 1187 [2022-03-15 17:51:34,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-03-15 17:51:34,916 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 82 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:51:34,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 16 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:51:34,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2022-03-15 17:51:34,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1175. [2022-03-15 17:51:34,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 1174 states have (on average 3.0034071550255534) internal successors, (3526), 1174 states have internal predecessors, (3526), 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) [2022-03-15 17:51:34,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 3526 transitions. [2022-03-15 17:51:34,938 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 3526 transitions. Word has length 13 [2022-03-15 17:51:34,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:51:34,939 INFO L470 AbstractCegarLoop]: Abstraction has 1175 states and 3526 transitions. [2022-03-15 17:51:34,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-03-15 17:51:34,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 3526 transitions. [2022-03-15 17:51:34,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-03-15 17:51:34,941 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:51:34,941 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:51:34,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 17:51:34,941 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:51:34,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:51:34,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1460174537, now seen corresponding path program 1 times [2022-03-15 17:51:34,944 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:51:34,944 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398682986] [2022-03-15 17:51:34,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:51:34,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:51:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:51:34,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:51:34,988 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:51:34,988 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398682986] [2022-03-15 17:51:34,988 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398682986] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:51:34,988 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:51:34,988 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:51:34,989 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [598711203] [2022-03-15 17:51:34,989 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:51:34,991 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:51:35,041 INFO L252 McrAutomatonBuilder]: Finished intersection with 97 states and 203 transitions. [2022-03-15 17:51:35,042 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:51:38,844 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:51:38,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 17:51:38,844 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:51:38,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 17:51:38,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:51:38,845 INFO L87 Difference]: Start difference. First operand 1175 states and 3526 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-03-15 17:51:38,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:51:38,958 INFO L93 Difference]: Finished difference Result 1631 states and 4754 transitions. [2022-03-15 17:51:38,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 17:51:38,959 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-03-15 17:51:38,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:51:38,965 INFO L225 Difference]: With dead ends: 1631 [2022-03-15 17:51:38,965 INFO L226 Difference]: Without dead ends: 1135 [2022-03-15 17:51:38,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:51:38,968 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 22 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:51:38,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 19 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:51:38,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2022-03-15 17:51:38,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1115. [2022-03-15 17:51:38,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 1114 states have (on average 2.8464991023339317) internal successors, (3171), 1114 states have internal predecessors, (3171), 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) [2022-03-15 17:51:38,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 3171 transitions. [2022-03-15 17:51:38,993 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 3171 transitions. Word has length 19 [2022-03-15 17:51:38,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:51:38,994 INFO L470 AbstractCegarLoop]: Abstraction has 1115 states and 3171 transitions. [2022-03-15 17:51:38,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2022-03-15 17:51:38,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 3171 transitions. [2022-03-15 17:51:38,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-03-15 17:51:38,996 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:51:38,996 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:51:38,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 17:51:39,004 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:51:39,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:51:39,004 INFO L85 PathProgramCache]: Analyzing trace with hash 346964920, now seen corresponding path program 1 times [2022-03-15 17:51:39,005 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:51:39,005 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425983914] [2022-03-15 17:51:39,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:51:39,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:51:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:51:39,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:51:39,140 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:51:39,140 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425983914] [2022-03-15 17:51:39,140 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425983914] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:51:39,140 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:51:39,140 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 17:51:39,140 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [271356846] [2022-03-15 17:51:39,141 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:51:39,143 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:51:39,150 INFO L252 McrAutomatonBuilder]: Finished intersection with 42 states and 63 transitions. [2022-03-15 17:51:39,151 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:51:40,750 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [37010#(<= ~__unbuffered_cnt~0 0)] [2022-03-15 17:51:40,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 17:51:40,750 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:51:40,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 17:51:40,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-03-15 17:51:40,751 INFO L87 Difference]: Start difference. First operand 1115 states and 3171 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 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) [2022-03-15 17:51:40,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:51:40,868 INFO L93 Difference]: Finished difference Result 966 states and 2702 transitions. [2022-03-15 17:51:40,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 17:51:40,869 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-03-15 17:51:40,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:51:40,872 INFO L225 Difference]: With dead ends: 966 [2022-03-15 17:51:40,872 INFO L226 Difference]: Without dead ends: 818 [2022-03-15 17:51:40,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-15 17:51:40,873 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 118 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:51:40,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 24 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:51:40,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2022-03-15 17:51:40,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 758. [2022-03-15 17:51:40,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 757 states have (on average 2.8229854689564067) internal successors, (2137), 757 states have internal predecessors, (2137), 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) [2022-03-15 17:51:40,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 2137 transitions. [2022-03-15 17:51:40,886 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 2137 transitions. Word has length 19 [2022-03-15 17:51:40,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:51:40,886 INFO L470 AbstractCegarLoop]: Abstraction has 758 states and 2137 transitions. [2022-03-15 17:51:40,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 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) [2022-03-15 17:51:40,887 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 2137 transitions. [2022-03-15 17:51:40,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-03-15 17:51:40,888 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:51:40,888 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:51:40,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 17:51:40,888 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:51:40,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:51:40,888 INFO L85 PathProgramCache]: Analyzing trace with hash -707967613, now seen corresponding path program 1 times [2022-03-15 17:51:40,900 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:51:40,900 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842105351] [2022-03-15 17:51:40,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:51:40,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:51:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:51:40,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:51:40,994 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:51:40,994 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842105351] [2022-03-15 17:51:40,994 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842105351] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:51:40,994 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:51:40,994 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:51:40,994 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2083356366] [2022-03-15 17:51:40,994 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:51:40,996 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:51:41,033 INFO L252 McrAutomatonBuilder]: Finished intersection with 70 states and 116 transitions. [2022-03-15 17:51:41,033 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:51:43,106 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [39504#(or (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= 2 ~z~0))), 39503#(or (not (= 2 ~__unbuffered_p3_EAX~0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))] [2022-03-15 17:51:43,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 17:51:43,107 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:51:43,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 17:51:43,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-03-15 17:51:43,107 INFO L87 Difference]: Start difference. First operand 758 states and 2137 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) [2022-03-15 17:51:43,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:51:43,266 INFO L93 Difference]: Finished difference Result 1093 states and 3022 transitions. [2022-03-15 17:51:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 17:51:43,266 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-03-15 17:51:43,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:51:43,269 INFO L225 Difference]: With dead ends: 1093 [2022-03-15 17:51:43,269 INFO L226 Difference]: Without dead ends: 651 [2022-03-15 17:51:43,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-03-15 17:51:43,270 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 42 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:51:43,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 10 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:51:43,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2022-03-15 17:51:43,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 596. [2022-03-15 17:51:43,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 595 states have (on average 2.5798319327731094) internal successors, (1535), 595 states have internal predecessors, (1535), 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) [2022-03-15 17:51:43,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 1535 transitions. [2022-03-15 17:51:43,279 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 1535 transitions. Word has length 22 [2022-03-15 17:51:43,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:51:43,279 INFO L470 AbstractCegarLoop]: Abstraction has 596 states and 1535 transitions. [2022-03-15 17:51:43,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) [2022-03-15 17:51:43,279 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1535 transitions. [2022-03-15 17:51:43,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-03-15 17:51:43,280 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:51:43,280 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:51:43,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 17:51:43,280 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:51:43,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:51:43,281 INFO L85 PathProgramCache]: Analyzing trace with hash -53474763, now seen corresponding path program 2 times [2022-03-15 17:51:43,282 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:51:43,282 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297161780] [2022-03-15 17:51:43,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:51:43,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:51:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:51:43,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:51:43,370 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:51:43,370 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297161780] [2022-03-15 17:51:43,370 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297161780] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:51:43,370 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:51:43,370 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-15 17:51:43,370 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1863523021] [2022-03-15 17:51:43,370 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:51:43,373 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:51:43,379 INFO L252 McrAutomatonBuilder]: Finished intersection with 30 states and 36 transitions. [2022-03-15 17:51:43,379 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:51:43,841 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [41800#(<= ~__unbuffered_cnt~0 0)] [2022-03-15 17:51:43,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 17:51:43,841 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:51:43,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 17:51:43,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-03-15 17:51:43,842 INFO L87 Difference]: Start difference. First operand 596 states and 1535 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 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) [2022-03-15 17:51:44,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:51:44,053 INFO L93 Difference]: Finished difference Result 569 states and 1482 transitions. [2022-03-15 17:51:44,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 17:51:44,054 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-03-15 17:51:44,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:51:44,054 INFO L225 Difference]: With dead ends: 569 [2022-03-15 17:51:44,054 INFO L226 Difference]: Without dead ends: 127 [2022-03-15 17:51:44,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2022-03-15 17:51:44,055 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 152 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 17:51:44,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 17 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 17:51:44,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-03-15 17:51:44,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124. [2022-03-15 17:51:44,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 2.2764227642276422) internal successors, (280), 123 states have internal predecessors, (280), 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) [2022-03-15 17:51:44,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 280 transitions. [2022-03-15 17:51:44,058 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 280 transitions. Word has length 22 [2022-03-15 17:51:44,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:51:44,058 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 280 transitions. [2022-03-15 17:51:44,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 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) [2022-03-15 17:51:44,058 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 280 transitions. [2022-03-15 17:51:44,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-03-15 17:51:44,059 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:51:44,059 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:51:44,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 17:51:44,059 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:51:44,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:51:44,059 INFO L85 PathProgramCache]: Analyzing trace with hash -210551740, now seen corresponding path program 1 times [2022-03-15 17:51:44,060 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:51:44,060 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871670922] [2022-03-15 17:51:44,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:51:44,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:51:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:51:44,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:51:44,233 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:51:44,233 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871670922] [2022-03-15 17:51:44,233 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871670922] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:51:44,233 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:51:44,233 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 17:51:44,234 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [449966395] [2022-03-15 17:51:44,234 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:51:44,237 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:51:44,259 INFO L252 McrAutomatonBuilder]: Finished intersection with 71 states and 111 transitions. [2022-03-15 17:51:44,259 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:51:47,645 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 3 new interpolants: [42635#(and (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff1_thd4~0 0) (= ~y$r_buff0_thd2~0 0) (not (= (mod ~y$r_buff0_thd3~0 256) 0)) (not (= (mod ~y$w_buff0_used~0 256) 0)) (= ~y$w_buff0~0 1)), 42633#(and (= ~y$r_buff1_thd2~0 0) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$r_buff0_thd4~0 256) 0) (= ~y$w_buff0~0 1)) (= ~y$r_buff0_thd2~0 0) (or (not (= (mod ~y$w_buff0_used~0 256) 0)) (= 0 (mod ~y$r_buff1_thd4~0 256))) (or (= 0 (mod ~y$r_buff1_thd4~0 256)) (not (= (mod ~y$r_buff0_thd4~0 256) 0))) (or (not (= (mod ~y$r_buff0_thd4~0 256) 0)) (= ~y~0 1)) (or (not (= (mod ~y$w_buff0_used~0 256) 0)) (= ~y~0 1))), 42634#(and (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (or (not (= (mod ~y$r_buff0_thd3~0 256) 0)) (not (= (mod ~y$r_buff0_thd4~0 256) 0))) (or (= (mod ~y$r_buff0_thd3~0 256) 0) (= 0 (mod ~y$r_buff1_thd4~0 256))) (not (= (mod ~y$w_buff0_used~0 256) 0)) (= ~y$w_buff0~0 1))] [2022-03-15 17:51:47,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 17:51:47,646 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:51:47,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 17:51:47,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-03-15 17:51:47,646 INFO L87 Difference]: Start difference. First operand 124 states and 280 transitions. Second operand has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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) [2022-03-15 17:51:47,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:51:47,769 INFO L93 Difference]: Finished difference Result 150 states and 334 transitions. [2022-03-15 17:51:47,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 17:51:47,770 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-03-15 17:51:47,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:51:47,771 INFO L225 Difference]: With dead ends: 150 [2022-03-15 17:51:47,771 INFO L226 Difference]: Without dead ends: 78 [2022-03-15 17:51:47,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-03-15 17:51:47,773 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 54 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:51:47,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 43 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:51:47,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-03-15 17:51:47,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-03-15 17:51:47,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.974025974025974) internal successors, (152), 77 states have internal predecessors, (152), 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) [2022-03-15 17:51:47,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 152 transitions. [2022-03-15 17:51:47,775 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 152 transitions. Word has length 26 [2022-03-15 17:51:47,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:51:47,775 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 152 transitions. [2022-03-15 17:51:47,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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) [2022-03-15 17:51:47,775 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 152 transitions. [2022-03-15 17:51:47,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-03-15 17:51:47,775 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:51:47,775 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:51:47,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 17:51:47,776 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 17:51:47,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:51:47,776 INFO L85 PathProgramCache]: Analyzing trace with hash 614365892, now seen corresponding path program 2 times [2022-03-15 17:51:47,780 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:51:47,780 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239093889] [2022-03-15 17:51:47,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:51:47,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:51:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:51:47,844 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 17:51:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:51:47,943 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 17:51:47,943 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 17:51:47,944 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-03-15 17:51:47,945 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-03-15 17:51:47,946 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-03-15 17:51:47,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2022-03-15 17:51:47,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2022-03-15 17:51:47,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION (1 of 7 remaining) [2022-03-15 17:51:47,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-03-15 17:51:47,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-15 17:51:47,949 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2022-03-15 17:51:47,953 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 17:51:47,953 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 17:51:48,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 05:51:48 BasicIcfg [2022-03-15 17:51:48,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 17:51:48,038 INFO L158 Benchmark]: Toolchain (without parser) took 20813.53ms. Allocated memory was 198.2MB in the beginning and 726.7MB in the end (delta: 528.5MB). Free memory was 142.4MB in the beginning and 226.9MB in the end (delta: -84.5MB). Peak memory consumption was 444.3MB. Max. memory is 8.0GB. [2022-03-15 17:51:48,039 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 198.2MB. Free memory was 160.8MB in the beginning and 160.7MB in the end (delta: 83.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 17:51:48,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.65ms. Allocated memory is still 198.2MB. Free memory was 142.2MB in the beginning and 156.3MB in the end (delta: -14.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-15 17:51:48,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.19ms. Allocated memory is still 198.2MB. Free memory was 156.3MB in the beginning and 153.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 17:51:48,039 INFO L158 Benchmark]: Boogie Preprocessor took 48.99ms. Allocated memory is still 198.2MB. Free memory was 153.6MB in the beginning and 151.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 17:51:48,039 INFO L158 Benchmark]: RCFGBuilder took 850.63ms. Allocated memory was 198.2MB in the beginning and 265.3MB in the end (delta: 67.1MB). Free memory was 151.3MB in the beginning and 198.9MB in the end (delta: -47.6MB). Peak memory consumption was 44.5MB. Max. memory is 8.0GB. [2022-03-15 17:51:48,040 INFO L158 Benchmark]: TraceAbstraction took 19417.01ms. Allocated memory was 265.3MB in the beginning and 726.7MB in the end (delta: 461.4MB). Free memory was 198.3MB in the beginning and 226.9MB in the end (delta: -28.5MB). Peak memory consumption was 432.3MB. Max. memory is 8.0GB. [2022-03-15 17:51:48,041 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 198.2MB. Free memory was 160.8MB in the beginning and 160.7MB in the end (delta: 83.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 423.65ms. Allocated memory is still 198.2MB. Free memory was 142.2MB in the beginning and 156.3MB in the end (delta: -14.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.19ms. Allocated memory is still 198.2MB. Free memory was 156.3MB in the beginning and 153.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.99ms. Allocated memory is still 198.2MB. Free memory was 153.6MB in the beginning and 151.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 850.63ms. Allocated memory was 198.2MB in the beginning and 265.3MB in the end (delta: 67.1MB). Free memory was 151.3MB in the beginning and 198.9MB in the end (delta: -47.6MB). Peak memory consumption was 44.5MB. Max. memory is 8.0GB. * TraceAbstraction took 19417.01ms. Allocated memory was 265.3MB in the beginning and 726.7MB in the end (delta: 461.4MB). Free memory was 198.3MB in the beginning and 226.9MB in the end (delta: -28.5MB). Peak memory consumption was 432.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.4s, 147 PlacesBefore, 45 PlacesAfterwards, 136 TransitionsBefore, 32 TransitionsAfterwards, 3076 CoEnabledTransitionPairs, 6 FixpointIterations, 46 TrivialSequentialCompositions, 62 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 114 TotalNumberOfCompositions, 6875 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3454, positive: 3281, positive conditional: 0, positive unconditional: 3281, negative: 173, negative conditional: 0, negative unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1593, positive: 1557, positive conditional: 0, positive unconditional: 1557, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3454, positive: 1724, positive conditional: 0, positive unconditional: 1724, negative: 137, negative conditional: 0, negative unconditional: 137, unknown: 1593, unknown conditional: 0, unknown unconditional: 1593] , Statistics on independence cache: Total cache size (in pairs): 119, Positive cache size: 102, Positive conditional cache size: 0, Positive unconditional cache size: 102, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - 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 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L726] 0 int y = 0; [L727] 0 _Bool y$flush_delayed; [L728] 0 int y$mem_tmp; [L729] 0 _Bool y$r_buff0_thd0; [L730] 0 _Bool y$r_buff0_thd1; [L731] 0 _Bool y$r_buff0_thd2; [L732] 0 _Bool y$r_buff0_thd3; [L733] 0 _Bool y$r_buff0_thd4; [L734] 0 _Bool y$r_buff1_thd0; [L735] 0 _Bool y$r_buff1_thd1; [L736] 0 _Bool y$r_buff1_thd2; [L737] 0 _Bool y$r_buff1_thd3; [L738] 0 _Bool y$r_buff1_thd4; [L739] 0 _Bool y$read_delayed; [L740] 0 int *y$read_delayed_var; [L741] 0 int y$w_buff0; [L742] 0 _Bool y$w_buff0_used; [L743] 0 int y$w_buff1; [L744] 0 _Bool y$w_buff1_used; [L746] 0 int z = 0; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L856] 0 pthread_t t693; [L857] FCALL, FORK 0 pthread_create(&t693, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t693, ((void *)0), P0, ((void *)0))=-3, t693={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L858] 0 pthread_t t694; [L859] FCALL, FORK 0 pthread_create(&t694, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t694, ((void *)0), P1, ((void *)0))=-2, t693={5:0}, t694={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L860] 0 pthread_t t695; [L861] FCALL, FORK 0 pthread_create(&t695, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t695, ((void *)0), P2, ((void *)0))=-1, t693={5:0}, t694={6:0}, t695={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L862] 0 pthread_t t696; [L863] FCALL, FORK 0 pthread_create(&t696, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t696, ((void *)0), P3, ((void *)0))=0, t693={5:0}, t694={6:0}, t695={7:0}, t696={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L795] 3 y$w_buff1 = y$w_buff0 [L796] 3 y$w_buff0 = 1 [L797] 3 y$w_buff1_used = y$w_buff0_used [L798] 3 y$w_buff0_used = (_Bool)1 [L799] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L799] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L800] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L801] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L802] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L803] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L804] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L805] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L808] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L825] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L828] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L831] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L834] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L834] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L834] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L834] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L835] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L835] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L836] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L836] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L837] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L837] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L838] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L838] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L841] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L843] 4 return 0; [L752] 1 a = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L755] 1 __unbuffered_p0_EAX = x VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L767] 2 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L770] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L771] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L772] 2 y$flush_delayed = weak$$choice2 [L773] 2 y$mem_tmp = y [L774] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L774] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L775] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L775] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L775] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L775] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L776] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L776] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L776] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L776] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L777] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L777] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L777] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L777] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L778] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L778] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L778] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L778] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L779] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L779] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L779] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L779] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L780] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L780] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] 2 __unbuffered_p1_EAX = y [L782] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L782] 2 y = y$flush_delayed ? y$mem_tmp : y [L783] 2 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L788] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L790] 2 return 0; [L811] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L811] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L812] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L812] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L813] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L813] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L814] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L814] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L815] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L815] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L820] 3 return 0; [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; [L865] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L867] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L867] RET 0 assume_abort_if_not(main$tmp_guard0) [L869] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L869] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L869] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L869] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L870] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L870] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L871] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L871] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L872] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L872] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L873] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L873] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L876] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L878] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 857]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 863]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 859]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 861]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 171 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 19.2s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.6s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 529 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 529 mSDsluCounter, 148 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 555 mSDsCounter, 97 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 875 IncrementalHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 97 mSolverCounterUnsat, 51 mSDtfsCounter, 875 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 237 GetRequests, 185 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2894occurred in iteration=2, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 942 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 878 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-03-15 17:51:48,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...