/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix028_power.oepc_pso.oepc_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 14:48:24,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 14:48:24,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 14:48:24,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 14:48:24,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 14:48:24,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 14:48:24,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 14:48:24,824 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-01 14:48:24,857 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 14:48:24,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 14:48:24,858 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 14:48:24,858 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 14:48:24,858 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 14:48:24,858 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 14:48:24,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 14:48:24,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 14:48:24,859 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 14:48:24,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 14:48:24,860 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 14:48:24,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 14:48:24,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 14:48:24,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 14:48:24,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 14:48:24,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 14:48:24,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 14:48:24,861 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 14:48:24,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 14:48:24,861 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 14:48:24,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 14:48:24,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 14:48:24,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 14:48:24,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 14:48:24,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 14:48:24,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 14:48:24,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 14:48:24,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 14:48:24,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 14:48:24,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 14:48:24,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 14:48:24,863 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 14:48:24,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 14:48:24,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 14:48:25,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 14:48:25,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 14:48:25,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 14:48:25,072 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 14:48:25,073 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 14:48:25,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix028_power.oepc_pso.oepc_rmo.oepc.i [2022-03-01 14:48:25,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/715f716c2/65948aefe20f493686fa6e10fdab1725/FLAG6aef3e91f [2022-03-01 14:48:25,596 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 14:48:25,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix028_power.oepc_pso.oepc_rmo.oepc.i [2022-03-01 14:48:25,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/715f716c2/65948aefe20f493686fa6e10fdab1725/FLAG6aef3e91f [2022-03-01 14:48:25,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/715f716c2/65948aefe20f493686fa6e10fdab1725 [2022-03-01 14:48:25,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 14:48:25,624 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 14:48:25,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 14:48:25,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 14:48:25,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 14:48:25,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 02:48:25" (1/1) ... [2022-03-01 14:48:25,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac1439a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:48:25, skipping insertion in model container [2022-03-01 14:48:25,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 02:48:25" (1/1) ... [2022-03-01 14:48:25,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 14:48:25,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 14:48:25,867 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/mix028_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-03-01 14:48:26,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 14:48:26,035 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 14:48:26,045 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/mix028_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-03-01 14:48:26,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 14:48:26,109 INFO L208 MainTranslator]: Completed translation [2022-03-01 14:48:26,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:48:26 WrapperNode [2022-03-01 14:48:26,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 14:48:26,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 14:48:26,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 14:48:26,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 14:48:26,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:48:26" (1/1) ... [2022-03-01 14:48:26,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:48:26" (1/1) ... [2022-03-01 14:48:26,182 INFO L137 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 176 [2022-03-01 14:48:26,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 14:48:26,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 14:48:26,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 14:48:26,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 14:48:26,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:48:26" (1/1) ... [2022-03-01 14:48:26,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:48:26" (1/1) ... [2022-03-01 14:48:26,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:48:26" (1/1) ... [2022-03-01 14:48:26,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:48:26" (1/1) ... [2022-03-01 14:48:26,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:48:26" (1/1) ... [2022-03-01 14:48:26,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:48:26" (1/1) ... [2022-03-01 14:48:26,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:48:26" (1/1) ... [2022-03-01 14:48:26,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 14:48:26,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 14:48:26,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 14:48:26,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 14:48:26,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:48:26" (1/1) ... [2022-03-01 14:48:26,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 14:48:26,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 14:48:26,265 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) [2022-03-01 14:48:26,289 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 [2022-03-01 14:48:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 14:48:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-01 14:48:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 14:48:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 14:48:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 14:48:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-03-01 14:48:26,303 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-03-01 14:48:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-03-01 14:48:26,304 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-03-01 14:48:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-03-01 14:48:26,305 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-03-01 14:48:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 14:48:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-01 14:48:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 14:48:26,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 14:48:26,307 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 14:48:26,442 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 14:48:26,444 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 14:48:26,938 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 14:48:27,235 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 14:48:27,235 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 14:48:27,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 02:48:27 BoogieIcfgContainer [2022-03-01 14:48:27,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 14:48:27,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 14:48:27,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 14:48:27,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 14:48:27,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 02:48:25" (1/3) ... [2022-03-01 14:48:27,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f927d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 02:48:27, skipping insertion in model container [2022-03-01 14:48:27,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:48:26" (2/3) ... [2022-03-01 14:48:27,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f927d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 02:48:27, skipping insertion in model container [2022-03-01 14:48:27,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 02:48:27" (3/3) ... [2022-03-01 14:48:27,245 INFO L111 eAbstractionObserver]: Analyzing ICFG mix028_power.oepc_pso.oepc_rmo.oepc.i [2022-03-01 14:48:27,252 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 14:48:27,252 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 14:48:27,252 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-03-01 14:48:27,252 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 14:48:27,297 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,297 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,298 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,298 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,298 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,298 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,298 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,298 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,298 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,299 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,299 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,300 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,300 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,300 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,300 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,300 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,301 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,301 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,301 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,301 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,301 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,302 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,302 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,302 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,302 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,303 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,303 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,304 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,304 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,304 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,304 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,304 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,305 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,305 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,305 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,305 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,306 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,306 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,308 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,308 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,308 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,308 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,309 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,309 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,309 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,309 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,309 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,310 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,310 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,310 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,310 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,310 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,310 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,311 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,311 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,311 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,311 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,311 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,311 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,311 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,311 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,311 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,311 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,311 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,312 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,312 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,313 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,313 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,313 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,314 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,314 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,316 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,320 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,320 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,320 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,321 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,321 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,321 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,321 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,321 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,321 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,322 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,322 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,322 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,323 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,323 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,323 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,323 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,326 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,326 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,326 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,326 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,326 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,326 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,326 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,326 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,326 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,327 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,327 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,327 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,327 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,327 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,327 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,327 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,327 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,327 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,327 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,327 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,328 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,328 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,328 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,328 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,328 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,328 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,328 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,328 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,328 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,328 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,328 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,328 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,329 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,329 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,329 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,329 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,329 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,329 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,331 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,331 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,331 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,332 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,332 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,332 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,332 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,332 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,332 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,333 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,334 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,334 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,334 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,334 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,335 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,335 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,335 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,335 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,338 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,338 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,338 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,338 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,338 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,338 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,339 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,339 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,339 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,339 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,339 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,339 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,339 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,340 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,340 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,341 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,341 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,341 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,341 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,341 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,341 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,341 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,341 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,342 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,342 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,343 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,343 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,343 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,343 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,343 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,343 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,343 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,343 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,343 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,343 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,344 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,344 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,344 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,344 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,345 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,345 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,345 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,345 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,345 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,345 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,346 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,349 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:48:27,350 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 14:48:27,393 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 14:48:27,398 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 14:48:27,398 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-03-01 14:48:27,407 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 124 places, 116 transitions, 247 flow [2022-03-01 14:48:28,087 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 15730 states, 15727 states have (on average 3.584726902778661) internal successors, (56377), 15729 states have internal predecessors, (56377), 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) [2022-03-01 14:48:28,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 15730 states, 15727 states have (on average 3.584726902778661) internal successors, (56377), 15729 states have internal predecessors, (56377), 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) [2022-03-01 14:48:28,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-01 14:48:28,151 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:48:28,152 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:48:28,153 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-01 14:48:28,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:48:28,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1707045004, now seen corresponding path program 1 times [2022-03-01 14:48:28,214 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:48:28,214 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956634440] [2022-03-01 14:48:28,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:48:28,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:48:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:48:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:48:28,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:48:28,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956634440] [2022-03-01 14:48:28,501 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956634440] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:48:28,501 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:48:28,501 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 14:48:28,502 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613571266] [2022-03-01 14:48:28,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:48:28,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 14:48:28,507 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:48:28,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 14:48:28,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 14:48:28,578 INFO L87 Difference]: Start difference. First operand has 15730 states, 15727 states have (on average 3.584726902778661) internal successors, (56377), 15729 states have internal predecessors, (56377), 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 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-03-01 14:48:28,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:48:28,971 INFO L93 Difference]: Finished difference Result 13219 states and 46268 transitions. [2022-03-01 14:48:28,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 14:48:28,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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 45 [2022-03-01 14:48:28,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:48:29,135 INFO L225 Difference]: With dead ends: 13219 [2022-03-01 14:48:29,135 INFO L226 Difference]: Without dead ends: 10915 [2022-03-01 14:48:29,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 14:48:29,140 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 55 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:48:29,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 174 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:48:29,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10915 states. [2022-03-01 14:48:29,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10915 to 10915. [2022-03-01 14:48:29,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10915 states, 10914 states have (on average 3.530511269928532) internal successors, (38532), 10914 states have internal predecessors, (38532), 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) [2022-03-01 14:48:29,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10915 states to 10915 states and 38532 transitions. [2022-03-01 14:48:29,805 INFO L78 Accepts]: Start accepts. Automaton has 10915 states and 38532 transitions. Word has length 45 [2022-03-01 14:48:29,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:48:29,806 INFO L470 AbstractCegarLoop]: Abstraction has 10915 states and 38532 transitions. [2022-03-01 14:48:29,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-03-01 14:48:29,806 INFO L276 IsEmpty]: Start isEmpty. Operand 10915 states and 38532 transitions. [2022-03-01 14:48:29,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-03-01 14:48:29,827 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:48:29,827 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:48:29,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 14:48:29,828 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-01 14:48:29,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:48:29,829 INFO L85 PathProgramCache]: Analyzing trace with hash -499311708, now seen corresponding path program 1 times [2022-03-01 14:48:29,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:48:29,829 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399729406] [2022-03-01 14:48:29,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:48:29,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:48:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:48:30,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:48:30,141 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:48:30,142 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399729406] [2022-03-01 14:48:30,142 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399729406] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:48:30,142 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:48:30,142 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-01 14:48:30,142 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131876215] [2022-03-01 14:48:30,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:48:30,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 14:48:30,144 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:48:30,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 14:48:30,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-01 14:48:30,145 INFO L87 Difference]: Start difference. First operand 10915 states and 38532 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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) [2022-03-01 14:48:30,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:48:30,731 INFO L93 Difference]: Finished difference Result 22691 states and 79361 transitions. [2022-03-01 14:48:30,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 14:48:30,732 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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 74 [2022-03-01 14:48:30,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:48:30,868 INFO L225 Difference]: With dead ends: 22691 [2022-03-01 14:48:30,868 INFO L226 Difference]: Without dead ends: 15361 [2022-03-01 14:48:30,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-01 14:48:30,871 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 146 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 14:48:30,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 569 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 14:48:30,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15361 states. [2022-03-01 14:48:31,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15361 to 12596. [2022-03-01 14:48:31,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12596 states, 12595 states have (on average 3.4639142516871773) internal successors, (43628), 12595 states have internal predecessors, (43628), 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) [2022-03-01 14:48:31,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12596 states to 12596 states and 43628 transitions. [2022-03-01 14:48:31,486 INFO L78 Accepts]: Start accepts. Automaton has 12596 states and 43628 transitions. Word has length 74 [2022-03-01 14:48:31,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:48:31,488 INFO L470 AbstractCegarLoop]: Abstraction has 12596 states and 43628 transitions. [2022-03-01 14:48:31,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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) [2022-03-01 14:48:31,489 INFO L276 IsEmpty]: Start isEmpty. Operand 12596 states and 43628 transitions. [2022-03-01 14:48:31,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-03-01 14:48:31,518 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:48:31,518 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:48:31,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 14:48:31,519 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-01 14:48:31,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:48:31,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1480478789, now seen corresponding path program 1 times [2022-03-01 14:48:31,520 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:48:31,520 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897061030] [2022-03-01 14:48:31,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:48:31,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:48:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:48:31,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:48:31,752 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:48:31,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897061030] [2022-03-01 14:48:31,752 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897061030] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:48:31,752 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:48:31,752 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 14:48:31,753 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130530673] [2022-03-01 14:48:31,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:48:31,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 14:48:31,753 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:48:31,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 14:48:31,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-01 14:48:31,754 INFO L87 Difference]: Start difference. First operand 12596 states and 43628 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 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) [2022-03-01 14:48:32,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:48:32,369 INFO L93 Difference]: Finished difference Result 18156 states and 62300 transitions. [2022-03-01 14:48:32,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 14:48:32,370 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 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 76 [2022-03-01 14:48:32,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:48:32,459 INFO L225 Difference]: With dead ends: 18156 [2022-03-01 14:48:32,459 INFO L226 Difference]: Without dead ends: 13786 [2022-03-01 14:48:32,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-03-01 14:48:32,466 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 227 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-01 14:48:32,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 690 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-01 14:48:32,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13786 states. [2022-03-01 14:48:32,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13786 to 10726. [2022-03-01 14:48:32,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10726 states, 10725 states have (on average 3.435058275058275) internal successors, (36841), 10725 states have internal predecessors, (36841), 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) [2022-03-01 14:48:32,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10726 states to 10726 states and 36841 transitions. [2022-03-01 14:48:32,930 INFO L78 Accepts]: Start accepts. Automaton has 10726 states and 36841 transitions. Word has length 76 [2022-03-01 14:48:32,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:48:32,930 INFO L470 AbstractCegarLoop]: Abstraction has 10726 states and 36841 transitions. [2022-03-01 14:48:32,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 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) [2022-03-01 14:48:32,931 INFO L276 IsEmpty]: Start isEmpty. Operand 10726 states and 36841 transitions. [2022-03-01 14:48:32,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-03-01 14:48:32,953 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:48:32,953 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:48:32,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 14:48:32,954 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-01 14:48:32,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:48:32,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1153467343, now seen corresponding path program 1 times [2022-03-01 14:48:32,954 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:48:32,955 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863870680] [2022-03-01 14:48:32,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:48:32,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:48:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:48:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:48:33,086 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:48:33,086 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863870680] [2022-03-01 14:48:33,086 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863870680] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:48:33,086 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:48:33,086 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 14:48:33,087 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025420894] [2022-03-01 14:48:33,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:48:33,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 14:48:33,088 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:48:33,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 14:48:33,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-01 14:48:33,089 INFO L87 Difference]: Start difference. First operand 10726 states and 36841 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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) [2022-03-01 14:48:33,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:48:33,687 INFO L93 Difference]: Finished difference Result 16434 states and 56129 transitions. [2022-03-01 14:48:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-01 14:48:33,688 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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 77 [2022-03-01 14:48:33,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:48:33,780 INFO L225 Difference]: With dead ends: 16434 [2022-03-01 14:48:33,780 INFO L226 Difference]: Without dead ends: 13114 [2022-03-01 14:48:33,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-03-01 14:48:33,781 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 236 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 14:48:33,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 652 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 14:48:33,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13114 states. [2022-03-01 14:48:34,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13114 to 10474. [2022-03-01 14:48:34,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10474 states, 10473 states have (on average 3.4254750310321778) internal successors, (35875), 10473 states have internal predecessors, (35875), 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) [2022-03-01 14:48:34,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10474 states to 10474 states and 35875 transitions. [2022-03-01 14:48:34,168 INFO L78 Accepts]: Start accepts. Automaton has 10474 states and 35875 transitions. Word has length 77 [2022-03-01 14:48:34,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:48:34,169 INFO L470 AbstractCegarLoop]: Abstraction has 10474 states and 35875 transitions. [2022-03-01 14:48:34,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 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) [2022-03-01 14:48:34,169 INFO L276 IsEmpty]: Start isEmpty. Operand 10474 states and 35875 transitions. [2022-03-01 14:48:34,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-03-01 14:48:34,188 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:48:34,189 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:48:34,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 14:48:34,189 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-01 14:48:34,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:48:34,190 INFO L85 PathProgramCache]: Analyzing trace with hash 294320112, now seen corresponding path program 1 times [2022-03-01 14:48:34,190 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:48:34,190 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201741199] [2022-03-01 14:48:34,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:48:34,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:48:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:48:34,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:48:34,328 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:48:34,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201741199] [2022-03-01 14:48:34,331 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201741199] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:48:34,332 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:48:34,332 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-01 14:48:34,332 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286049547] [2022-03-01 14:48:34,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:48:34,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 14:48:34,333 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:48:34,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 14:48:34,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-01 14:48:34,334 INFO L87 Difference]: Start difference. First operand 10474 states and 35875 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 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) [2022-03-01 14:48:34,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:48:34,608 INFO L93 Difference]: Finished difference Result 12088 states and 40382 transitions. [2022-03-01 14:48:34,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 14:48:34,609 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 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 79 [2022-03-01 14:48:34,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:48:34,643 INFO L225 Difference]: With dead ends: 12088 [2022-03-01 14:48:34,643 INFO L226 Difference]: Without dead ends: 8683 [2022-03-01 14:48:34,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-01 14:48:34,646 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 188 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 14:48:34,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 398 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 14:48:34,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8683 states. [2022-03-01 14:48:34,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8683 to 8683. [2022-03-01 14:48:34,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8683 states, 8682 states have (on average 3.3217000691085) internal successors, (28839), 8682 states have internal predecessors, (28839), 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) [2022-03-01 14:48:35,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8683 states to 8683 states and 28839 transitions. [2022-03-01 14:48:35,016 INFO L78 Accepts]: Start accepts. Automaton has 8683 states and 28839 transitions. Word has length 79 [2022-03-01 14:48:35,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:48:35,017 INFO L470 AbstractCegarLoop]: Abstraction has 8683 states and 28839 transitions. [2022-03-01 14:48:35,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 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) [2022-03-01 14:48:35,017 INFO L276 IsEmpty]: Start isEmpty. Operand 8683 states and 28839 transitions. [2022-03-01 14:48:35,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-01 14:48:35,037 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:48:35,037 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:48:35,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-01 14:48:35,037 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-01 14:48:35,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:48:35,038 INFO L85 PathProgramCache]: Analyzing trace with hash 868965454, now seen corresponding path program 1 times [2022-03-01 14:48:35,038 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:48:35,039 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342069883] [2022-03-01 14:48:35,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:48:35,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:48:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:48:35,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:48:35,156 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:48:35,157 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342069883] [2022-03-01 14:48:35,157 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342069883] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:48:35,157 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:48:35,157 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-01 14:48:35,157 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941382314] [2022-03-01 14:48:35,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:48:35,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 14:48:35,158 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:48:35,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 14:48:35,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-01 14:48:35,159 INFO L87 Difference]: Start difference. First operand 8683 states and 28839 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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) [2022-03-01 14:48:35,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:48:35,471 INFO L93 Difference]: Finished difference Result 14197 states and 46767 transitions. [2022-03-01 14:48:35,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 14:48:35,472 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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 82 [2022-03-01 14:48:35,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:48:35,501 INFO L225 Difference]: With dead ends: 14197 [2022-03-01 14:48:35,501 INFO L226 Difference]: Without dead ends: 9253 [2022-03-01 14:48:35,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-01 14:48:35,502 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 140 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 14:48:35,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 636 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 14:48:35,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9253 states. [2022-03-01 14:48:35,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9253 to 7744. [2022-03-01 14:48:35,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7744 states, 7743 states have (on average 3.2682422833527056) internal successors, (25306), 7743 states have internal predecessors, (25306), 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) [2022-03-01 14:48:35,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7744 states to 7744 states and 25306 transitions. [2022-03-01 14:48:35,807 INFO L78 Accepts]: Start accepts. Automaton has 7744 states and 25306 transitions. Word has length 82 [2022-03-01 14:48:35,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:48:35,807 INFO L470 AbstractCegarLoop]: Abstraction has 7744 states and 25306 transitions. [2022-03-01 14:48:35,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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) [2022-03-01 14:48:35,808 INFO L276 IsEmpty]: Start isEmpty. Operand 7744 states and 25306 transitions. [2022-03-01 14:48:35,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-03-01 14:48:35,825 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:48:35,825 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:48:35,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-01 14:48:35,826 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-01 14:48:35,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:48:35,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1025375854, now seen corresponding path program 1 times [2022-03-01 14:48:35,827 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:48:35,827 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858374079] [2022-03-01 14:48:35,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:48:35,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:48:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:48:35,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:48:35,917 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:48:35,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858374079] [2022-03-01 14:48:35,917 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858374079] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:48:35,917 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:48:35,917 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 14:48:35,917 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691627222] [2022-03-01 14:48:35,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:48:35,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 14:48:35,918 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:48:35,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 14:48:35,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-01 14:48:35,918 INFO L87 Difference]: Start difference. First operand 7744 states and 25306 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 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) [2022-03-01 14:48:36,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:48:36,226 INFO L93 Difference]: Finished difference Result 6997 states and 22105 transitions. [2022-03-01 14:48:36,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 14:48:36,226 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 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 82 [2022-03-01 14:48:36,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:48:36,236 INFO L225 Difference]: With dead ends: 6997 [2022-03-01 14:48:36,236 INFO L226 Difference]: Without dead ends: 4672 [2022-03-01 14:48:36,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-03-01 14:48:36,237 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 300 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-01 14:48:36,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [300 Valid, 467 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-01 14:48:36,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4672 states. [2022-03-01 14:48:36,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4672 to 4627. [2022-03-01 14:48:36,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4627 states, 4626 states have (on average 3.0964115866839603) internal successors, (14324), 4626 states have internal predecessors, (14324), 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) [2022-03-01 14:48:36,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4627 states to 4627 states and 14324 transitions. [2022-03-01 14:48:36,327 INFO L78 Accepts]: Start accepts. Automaton has 4627 states and 14324 transitions. Word has length 82 [2022-03-01 14:48:36,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:48:36,328 INFO L470 AbstractCegarLoop]: Abstraction has 4627 states and 14324 transitions. [2022-03-01 14:48:36,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 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) [2022-03-01 14:48:36,328 INFO L276 IsEmpty]: Start isEmpty. Operand 4627 states and 14324 transitions. [2022-03-01 14:48:36,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-03-01 14:48:36,337 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:48:36,337 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:48:36,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-01 14:48:36,338 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-01 14:48:36,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:48:36,338 INFO L85 PathProgramCache]: Analyzing trace with hash -83782430, now seen corresponding path program 1 times [2022-03-01 14:48:36,338 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:48:36,338 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957566305] [2022-03-01 14:48:36,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:48:36,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:48:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:48:36,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:48:36,479 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:48:36,479 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957566305] [2022-03-01 14:48:36,479 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957566305] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:48:36,479 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:48:36,479 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-01 14:48:36,479 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280509822] [2022-03-01 14:48:36,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:48:36,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 14:48:36,480 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:48:36,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 14:48:36,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-03-01 14:48:36,481 INFO L87 Difference]: Start difference. First operand 4627 states and 14324 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 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) [2022-03-01 14:48:36,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:48:36,684 INFO L93 Difference]: Finished difference Result 3610 states and 10916 transitions. [2022-03-01 14:48:36,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 14:48:36,685 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 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 85 [2022-03-01 14:48:36,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:48:36,689 INFO L225 Difference]: With dead ends: 3610 [2022-03-01 14:48:36,689 INFO L226 Difference]: Without dead ends: 1828 [2022-03-01 14:48:36,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2022-03-01 14:48:36,690 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 315 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 14:48:36,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [315 Valid, 440 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 14:48:36,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2022-03-01 14:48:36,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1753. [2022-03-01 14:48:36,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1753 states, 1752 states have (on average 2.9315068493150687) internal successors, (5136), 1752 states have internal predecessors, (5136), 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) [2022-03-01 14:48:36,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 5136 transitions. [2022-03-01 14:48:36,719 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 5136 transitions. Word has length 85 [2022-03-01 14:48:36,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:48:36,719 INFO L470 AbstractCegarLoop]: Abstraction has 1753 states and 5136 transitions. [2022-03-01 14:48:36,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 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) [2022-03-01 14:48:36,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 5136 transitions. [2022-03-01 14:48:36,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-03-01 14:48:36,723 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:48:36,723 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:48:36,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-01 14:48:36,724 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-01 14:48:36,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:48:36,724 INFO L85 PathProgramCache]: Analyzing trace with hash 531244159, now seen corresponding path program 1 times [2022-03-01 14:48:36,724 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:48:36,724 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396250510] [2022-03-01 14:48:36,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:48:36,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:48:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:48:36,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:48:36,828 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:48:36,828 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396250510] [2022-03-01 14:48:36,829 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396250510] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:48:36,829 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:48:36,829 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-01 14:48:36,829 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17449134] [2022-03-01 14:48:36,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:48:36,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 14:48:36,830 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:48:36,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 14:48:36,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-01 14:48:36,830 INFO L87 Difference]: Start difference. First operand 1753 states and 5136 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 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) [2022-03-01 14:48:36,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:48:36,936 INFO L93 Difference]: Finished difference Result 2629 states and 7829 transitions. [2022-03-01 14:48:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 14:48:36,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 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 90 [2022-03-01 14:48:36,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:48:36,941 INFO L225 Difference]: With dead ends: 2629 [2022-03-01 14:48:36,941 INFO L226 Difference]: Without dead ends: 1627 [2022-03-01 14:48:36,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-03-01 14:48:36,942 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 46 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 14:48:36,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 504 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 14:48:36,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1627 states. [2022-03-01 14:48:37,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1627 to 1627. [2022-03-01 14:48:37,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1627 states, 1626 states have (on average 2.896678966789668) internal successors, (4710), 1626 states have internal predecessors, (4710), 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) [2022-03-01 14:48:37,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1627 states and 4710 transitions. [2022-03-01 14:48:37,019 INFO L78 Accepts]: Start accepts. Automaton has 1627 states and 4710 transitions. Word has length 90 [2022-03-01 14:48:37,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:48:37,019 INFO L470 AbstractCegarLoop]: Abstraction has 1627 states and 4710 transitions. [2022-03-01 14:48:37,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 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) [2022-03-01 14:48:37,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 4710 transitions. [2022-03-01 14:48:37,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-03-01 14:48:37,022 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:48:37,022 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:48:37,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-01 14:48:37,023 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-01 14:48:37,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:48:37,024 INFO L85 PathProgramCache]: Analyzing trace with hash 107079969, now seen corresponding path program 2 times [2022-03-01 14:48:37,024 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:48:37,024 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013594111] [2022-03-01 14:48:37,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:48:37,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:48:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:48:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:48:37,260 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:48:37,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013594111] [2022-03-01 14:48:37,261 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013594111] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:48:37,261 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:48:37,261 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-01 14:48:37,261 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211842587] [2022-03-01 14:48:37,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:48:37,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-01 14:48:37,261 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:48:37,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-01 14:48:37,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-03-01 14:48:37,262 INFO L87 Difference]: Start difference. First operand 1627 states and 4710 transitions. Second operand has 12 states, 12 states have (on average 7.5) internal successors, (90), 12 states have internal predecessors, (90), 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) [2022-03-01 14:48:37,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:48:37,471 INFO L93 Difference]: Finished difference Result 2278 states and 6668 transitions. [2022-03-01 14:48:37,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-01 14:48:37,472 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.5) internal successors, (90), 12 states have internal predecessors, (90), 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 90 [2022-03-01 14:48:37,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:48:37,474 INFO L225 Difference]: With dead ends: 2278 [2022-03-01 14:48:37,474 INFO L226 Difference]: Without dead ends: 1063 [2022-03-01 14:48:37,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2022-03-01 14:48:37,475 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 303 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 14:48:37,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [303 Valid, 1045 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 14:48:37,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2022-03-01 14:48:37,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1063. [2022-03-01 14:48:37,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 1062 states have (on average 2.7777777777777777) internal successors, (2950), 1062 states have internal predecessors, (2950), 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) [2022-03-01 14:48:37,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 2950 transitions. [2022-03-01 14:48:37,494 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 2950 transitions. Word has length 90 [2022-03-01 14:48:37,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:48:37,494 INFO L470 AbstractCegarLoop]: Abstraction has 1063 states and 2950 transitions. [2022-03-01 14:48:37,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.5) internal successors, (90), 12 states have internal predecessors, (90), 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) [2022-03-01 14:48:37,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 2950 transitions. [2022-03-01 14:48:37,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-03-01 14:48:37,496 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:48:37,497 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:48:37,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-01 14:48:37,497 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-03-01 14:48:37,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:48:37,497 INFO L85 PathProgramCache]: Analyzing trace with hash 315489535, now seen corresponding path program 3 times [2022-03-01 14:48:37,498 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:48:37,498 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606220233] [2022-03-01 14:48:37,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:48:37,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:48:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 14:48:37,548 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 14:48:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 14:48:37,637 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 14:48:37,637 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 14:48:37,638 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-03-01 14:48:37,639 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-03-01 14:48:37,640 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2022-03-01 14:48:37,640 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2022-03-01 14:48:37,640 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2022-03-01 14:48:37,640 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-03-01 14:48:37,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-01 14:48:37,643 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:48:37,647 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 14:48:37,647 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 14:48:37,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 02:48:37 BasicIcfg [2022-03-01 14:48:37,798 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 14:48:37,799 INFO L158 Benchmark]: Toolchain (without parser) took 12174.74ms. Allocated memory was 202.4MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 150.1MB in the beginning and 2.8GB in the end (delta: -2.6GB). Peak memory consumption was 559.9MB. Max. memory is 8.0GB. [2022-03-01 14:48:37,799 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 202.4MB. Free memory was 168.1MB in the beginning and 168.0MB in the end (delta: 151.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 14:48:37,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.84ms. Allocated memory is still 202.4MB. Free memory was 149.8MB in the beginning and 164.4MB in the end (delta: -14.6MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2022-03-01 14:48:37,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.22ms. Allocated memory is still 202.4MB. Free memory was 164.4MB in the beginning and 161.7MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-01 14:48:37,800 INFO L158 Benchmark]: Boogie Preprocessor took 55.25ms. Allocated memory is still 202.4MB. Free memory was 161.7MB in the beginning and 159.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 14:48:37,800 INFO L158 Benchmark]: RCFGBuilder took 998.63ms. Allocated memory was 202.4MB in the beginning and 248.5MB in the end (delta: 46.1MB). Free memory was 159.6MB in the beginning and 181.3MB in the end (delta: -21.7MB). Peak memory consumption was 43.7MB. Max. memory is 8.0GB. [2022-03-01 14:48:37,801 INFO L158 Benchmark]: TraceAbstraction took 10559.11ms. Allocated memory was 248.5MB in the beginning and 3.4GB in the end (delta: 3.1GB). Free memory was 180.8MB in the beginning and 2.8GB in the end (delta: -2.6GB). Peak memory consumption was 544.3MB. Max. memory is 8.0GB. [2022-03-01 14:48:37,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 202.4MB. Free memory was 168.1MB in the beginning and 168.0MB in the end (delta: 151.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 481.84ms. Allocated memory is still 202.4MB. Free memory was 149.8MB in the beginning and 164.4MB in the end (delta: -14.6MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 71.22ms. Allocated memory is still 202.4MB. Free memory was 164.4MB in the beginning and 161.7MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 55.25ms. Allocated memory is still 202.4MB. Free memory was 161.7MB in the beginning and 159.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 998.63ms. Allocated memory was 202.4MB in the beginning and 248.5MB in the end (delta: 46.1MB). Free memory was 159.6MB in the beginning and 181.3MB in the end (delta: -21.7MB). Peak memory consumption was 43.7MB. Max. memory is 8.0GB. * TraceAbstraction took 10559.11ms. Allocated memory was 248.5MB in the beginning and 3.4GB in the end (delta: 3.1GB). Free memory was 180.8MB in the beginning and 2.8GB in the end (delta: -2.6GB). Peak memory consumption was 544.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0] [L713] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L714] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0] [L715] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L717] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L719] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L721] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L722] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L723] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L724] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L725] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L726] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L727] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0] [L728] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0] [L729] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L730] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L731] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0] [L732] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0] [L733] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L734] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L735] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L736] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L737] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L738] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L739] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L836] 0 pthread_t t745; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t745={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L837] FCALL, FORK 0 pthread_create(&t745, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t745, ((void *)0), P0, ((void *)0))=-2, t745={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L838] 0 pthread_t t746; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t745={5:0}, t746={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L839] FCALL, FORK 0 pthread_create(&t746, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t746, ((void *)0), P1, ((void *)0))=-1, t745={5:0}, t746={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L840] 0 pthread_t t747; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t745={5:0}, t746={6:0}, t747={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L841] FCALL, FORK 0 pthread_create(&t747, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t747, ((void *)0), P2, ((void *)0))=0, t745={5:0}, t746={6:0}, t747={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L743] 1 z$w_buff1 = z$w_buff0 [L744] 1 z$w_buff0 = 1 [L745] 1 z$w_buff1_used = z$w_buff0_used [L746] 1 z$w_buff0_used = (_Bool)1 [L747] CALL 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L747] RET 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L748] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L749] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L750] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L751] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L752] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L772] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L775] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L778] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L778] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L778] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L778] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L779] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L779] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L780] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L781] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L781] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L782] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L782] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L785] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L792] 3 y = 2 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L795] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L798] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L799] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L800] 3 z$flush_delayed = weak$$choice2 [L801] 3 z$mem_tmp = z [L802] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L802] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L803] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L803] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L804] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L804] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L805] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L805] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L806] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L806] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L807] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L807] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L808] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] 3 __unbuffered_p2_EBX = z [L810] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L810] 3 z = z$flush_delayed ? z$mem_tmp : z [L811] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L814] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L814] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L814] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L814] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L815] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L815] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L816] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L816] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L817] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L817] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L818] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L818] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L821] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L758] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L758] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L759] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L759] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L760] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L761] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L761] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L762] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L762] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, 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$$choice0=50, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L843] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t745={5:0}, t746={6:0}, t747={3:0}, weak$$choice0=50, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L845] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L845] RET 0 assume_abort_if_not(main$tmp_guard0) [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L847] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L847] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L848] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L848] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L849] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L850] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L850] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L851] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L851] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L854] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t745={5:0}, t746={6:0}, t747={3:0}, weak$$choice0=50, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L856] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - 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: 841]: 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: 837]: 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: 839]: 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 7 procedures, 144 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 10.3s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.2s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.7s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1956 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1956 mSDsluCounter, 5575 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4902 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1276 IncrementalHoareTripleChecker+Invalid, 1367 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 1272 mSDtfsCounter, 1276 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15730occurred in iteration=0, InterpolantAutomatonStates: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 10094 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 870 NumberOfCodeBlocks, 870 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 770 ConstructedInterpolants, 0 QuantifiedInterpolants, 3565 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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! [2022-03-01 14:48:37,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...