/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix054_pso.opt_rmo.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 08:10:39,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 08:10:39,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 08:10:39,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 08:10:39,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 08:10:39,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 08:10:39,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 08:10:39,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 08:10:39,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 08:10:39,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 08:10:39,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 08:10:39,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2021-11-14 08:10:39,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 08:10:39,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 08:10:39,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 08:10:39,185 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf [2021-11-14 08:10:39,202 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 08:10:39,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 08:10:39,202 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 08:10:39,202 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 08:10:39,203 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 08:10:39,203 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 08:10:39,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 08:10:39,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 08:10:39,203 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 08:10:39,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 08:10:39,204 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 08:10:39,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 08:10:39,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 08:10:39,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 08:10:39,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 08:10:39,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 08:10:39,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 08:10:39,204 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 08:10:39,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 08:10:39,205 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 08:10:39,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 08:10:39,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 08:10:39,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 08:10:39,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 08:10:39,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 08:10:39,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 08:10:39,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 08:10:39,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 08:10:39,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 08:10:39,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 08:10:39,206 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-14 08:10:39,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 08:10:39,206 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 08:10:39,206 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 08:10:39,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 08:10:39,206 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 08:10:39,206 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 08:10:39,206 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 08:10:39,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 08:10:39,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 08:10:39,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 08:10:39,371 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 08:10:39,373 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 08:10:39,373 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix054_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2021-11-14 08:10:39,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88354d0db/778a87eed27246bda14fa41b6af2221a/FLAG9b41cc974 [2021-11-14 08:10:39,816 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 08:10:39,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix054_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2021-11-14 08:10:39,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88354d0db/778a87eed27246bda14fa41b6af2221a/FLAG9b41cc974 [2021-11-14 08:10:39,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88354d0db/778a87eed27246bda14fa41b6af2221a [2021-11-14 08:10:39,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 08:10:39,839 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 08:10:39,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 08:10:39,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 08:10:39,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 08:10:39,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 08:10:39" (1/1) ... [2021-11-14 08:10:39,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a5ff22f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:10:39, skipping insertion in model container [2021-11-14 08:10:39,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 08:10:39" (1/1) ... [2021-11-14 08:10:39,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 08:10:39,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 08:10:40,008 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix054_pso.opt_rmo.opt_tso.oepc_tso.opt.i[973,986] [2021-11-14 08:10:40,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 08:10:40,154 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 08:10:40,163 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix054_pso.opt_rmo.opt_tso.oepc_tso.opt.i[973,986] [2021-11-14 08:10:40,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 08:10:40,247 INFO L208 MainTranslator]: Completed translation [2021-11-14 08:10:40,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:10:40 WrapperNode [2021-11-14 08:10:40,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 08:10:40,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 08:10:40,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 08:10:40,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 08:10:40,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:10:40" (1/1) ... [2021-11-14 08:10:40,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:10:40" (1/1) ... [2021-11-14 08:10:40,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 08:10:40,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 08:10:40,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 08:10:40,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 08:10:40,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:10:40" (1/1) ... [2021-11-14 08:10:40,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:10:40" (1/1) ... [2021-11-14 08:10:40,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:10:40" (1/1) ... [2021-11-14 08:10:40,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:10:40" (1/1) ... [2021-11-14 08:10:40,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:10:40" (1/1) ... [2021-11-14 08:10:40,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:10:40" (1/1) ... [2021-11-14 08:10:40,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:10:40" (1/1) ... [2021-11-14 08:10:40,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 08:10:40,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 08:10:40,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 08:10:40,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 08:10:40,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:10:40" (1/1) ... [2021-11-14 08:10:40,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 08:10:40,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:10:40,389 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) [2021-11-14 08:10:40,407 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 [2021-11-14 08:10:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 08:10:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-14 08:10:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 08:10:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 08:10:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 08:10:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-14 08:10:40,421 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-14 08:10:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-14 08:10:40,421 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-14 08:10:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 08:10:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-14 08:10:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 08:10:40,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 08:10:40,423 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 08:10:41,129 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 08:10:41,129 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-14 08:10:41,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 08:10:41 BoogieIcfgContainer [2021-11-14 08:10:41,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 08:10:41,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 08:10:41,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 08:10:41,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 08:10:41,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 08:10:39" (1/3) ... [2021-11-14 08:10:41,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be3be13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 08:10:41, skipping insertion in model container [2021-11-14 08:10:41,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:10:40" (2/3) ... [2021-11-14 08:10:41,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be3be13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 08:10:41, skipping insertion in model container [2021-11-14 08:10:41,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 08:10:41" (3/3) ... [2021-11-14 08:10:41,141 INFO L111 eAbstractionObserver]: Analyzing ICFG mix054_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2021-11-14 08:10:41,146 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 08:10:41,146 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 08:10:41,146 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-14 08:10:41,146 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 08:10:41,173 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,173 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,173 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,173 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,173 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,173 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,173 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,173 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,174 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,174 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,174 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,174 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,174 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,175 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,175 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,175 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,175 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,175 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,175 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,175 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,176 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,176 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,176 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,176 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,176 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,177 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,177 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,177 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,179 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,179 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,179 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,179 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,179 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,179 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,179 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,179 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,179 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,179 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,179 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,180 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,180 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,180 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,180 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,180 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,180 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,181 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,181 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,181 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,181 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,181 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,181 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,181 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,185 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,186 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,186 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,186 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,186 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,186 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,186 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,186 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,187 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,187 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,187 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,187 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,188 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,188 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,188 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,188 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,188 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,188 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,188 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,188 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,189 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,189 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,189 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-14 08:10:41,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 08:10:41,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:10:41,240 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-14 08:10:41,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-14 08:10:41,269 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 08:10:41,279 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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 [2021-11-14 08:10:41,279 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-14 08:10:41,374 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,391 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,405 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,414 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,414 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,414 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,414 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,414 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,414 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,415 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,415 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,415 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,415 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,415 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_147 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,415 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,415 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,416 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,431 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-14 08:10:41,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:10:41,434 INFO L85 PathProgramCache]: Analyzing trace with hash 389542361, now seen corresponding path program 1 times [2021-11-14 08:10:41,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:10:41,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229561257] [2021-11-14 08:10:41,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:10:41,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:10:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:10:41,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:10:41,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:10:41,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229561257] [2021-11-14 08:10:41,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229561257] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:10:41,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:10:41,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 08:10:41,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160251092] [2021-11-14 08:10:41,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:10:41,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 08:10:41,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:10:41,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 08:10:41,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 08:10:41,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:10:41,600 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:10:41,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 08:10:41,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:10:41,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:10:41,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 08:10:41,622 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-14 08:10:41,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:10:41,623 INFO L85 PathProgramCache]: Analyzing trace with hash -2036606818, now seen corresponding path program 1 times [2021-11-14 08:10:41,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:10:41,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118445902] [2021-11-14 08:10:41,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:10:41,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:10:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:10:41,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:10:41,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:10:41,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118445902] [2021-11-14 08:10:41,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118445902] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:10:41,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:10:41,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-14 08:10:41,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834854452] [2021-11-14 08:10:41,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:10:41,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 08:10:41,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:10:41,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 08:10:41,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-14 08:10:41,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:10:41,799 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:10:41,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 08:10:41,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:10:41,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:10:41,812 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,813 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,813 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,813 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,813 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,813 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,813 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,814 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,814 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,814 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,814 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_147 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,814 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,814 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,814 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,842 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,846 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,861 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:10:41,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:10:41,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 08:10:41,894 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-14 08:10:41,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:10:41,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1274957810, now seen corresponding path program 1 times [2021-11-14 08:10:41,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:10:41,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912991537] [2021-11-14 08:10:41,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:10:41,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:10:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:10:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:10:42,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:10:42,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912991537] [2021-11-14 08:10:42,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912991537] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:10:42,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:10:42,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 08:10:42,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090866310] [2021-11-14 08:10:42,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:10:42,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 08:10:42,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:10:42,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 08:10:42,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-14 08:10:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:10:42,049 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:10:42,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 08:10:42,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:10:42,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:10:42,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:10:42,146 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:42,153 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:42,154 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:42,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:10:42,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:10:42,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:10:42,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 08:10:42,214 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-14 08:10:42,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:10:42,215 INFO L85 PathProgramCache]: Analyzing trace with hash 666453653, now seen corresponding path program 1 times [2021-11-14 08:10:42,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:10:42,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841637033] [2021-11-14 08:10:42,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:10:42,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:10:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:10:42,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:10:42,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:10:42,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841637033] [2021-11-14 08:10:42,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841637033] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:10:42,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:10:42,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-14 08:10:42,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370819337] [2021-11-14 08:10:42,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:10:42,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-14 08:10:42,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:10:42,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-14 08:10:42,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-14 08:10:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:10:42,590 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:10:42,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 08:10:42,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:10:42,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:10:42,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:10:42,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:10:42,836 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:42,844 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:42,849 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:42,850 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:42,865 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:42,866 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:42,894 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:42,895 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:10:42,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:10:42,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:10:42,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 08:10:42,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:10:42,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-14 08:10:42,975 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-14 08:10:42,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:10:42,976 INFO L85 PathProgramCache]: Analyzing trace with hash 153440209, now seen corresponding path program 2 times [2021-11-14 08:10:42,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:10:42,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822319405] [2021-11-14 08:10:42,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:10:42,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:10:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-14 08:10:43,048 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-14 08:10:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-14 08:10:43,139 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-14 08:10:43,139 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-14 08:10:43,140 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-14 08:10:43,141 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-11-14 08:10:43,141 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2021-11-14 08:10:43,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-14 08:10:43,149 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2021-11-14 08:10:43,150 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (1/2) [2021-11-14 08:10:43,153 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-14 08:10:43,153 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-14 08:10:43,201 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-14 08:10:43,206 INFO L158 Benchmark]: Toolchain (without parser) took 3366.06ms. Allocated memory was 339.7MB in the beginning and 429.9MB in the end (delta: 90.2MB). Free memory was 283.4MB in the beginning and 352.8MB in the end (delta: -69.4MB). Peak memory consumption was 23.6MB. Max. memory is 16.0GB. [2021-11-14 08:10:43,206 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 339.7MB. Free memory is still 302.5MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 08:10:43,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.21ms. Allocated memory is still 339.7MB. Free memory was 283.2MB in the beginning and 301.4MB in the end (delta: -18.2MB). Peak memory consumption was 17.3MB. Max. memory is 16.0GB. [2021-11-14 08:10:43,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.72ms. Allocated memory is still 339.7MB. Free memory was 301.4MB in the beginning and 298.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2021-11-14 08:10:43,209 INFO L158 Benchmark]: Boogie Preprocessor took 42.55ms. Allocated memory is still 339.7MB. Free memory was 298.5MB in the beginning and 296.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 08:10:43,210 INFO L158 Benchmark]: RCFGBuilder took 779.62ms. Allocated memory is still 339.7MB. Free memory was 296.4MB in the beginning and 282.9MB in the end (delta: 13.5MB). Peak memory consumption was 41.5MB. Max. memory is 16.0GB. [2021-11-14 08:10:43,210 INFO L158 Benchmark]: TraceAbstraction took 2071.26ms. Allocated memory was 339.7MB in the beginning and 429.9MB in the end (delta: 90.2MB). Free memory was 281.9MB in the beginning and 352.8MB in the end (delta: -70.9MB). Peak memory consumption was 19.3MB. Max. memory is 16.0GB. [2021-11-14 08:10:43,211 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 339.7MB. Free memory is still 302.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 407.21ms. Allocated memory is still 339.7MB. Free memory was 283.2MB in the beginning and 301.4MB in the end (delta: -18.2MB). Peak memory consumption was 17.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 59.72ms. Allocated memory is still 339.7MB. Free memory was 301.4MB in the beginning and 298.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 42.55ms. Allocated memory is still 339.7MB. Free memory was 298.5MB in the beginning and 296.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 779.62ms. Allocated memory is still 339.7MB. Free memory was 296.4MB in the beginning and 282.9MB in the end (delta: 13.5MB). Peak memory consumption was 41.5MB. Max. memory is 16.0GB. * TraceAbstraction took 2071.26ms. Allocated memory was 339.7MB in the beginning and 429.9MB in the end (delta: 90.2MB). Free memory was 281.9MB in the beginning and 352.8MB in the end (delta: -70.9MB). Peak memory consumption was 19.3MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1597, positive: 1537, positive conditional: 842, positive unconditional: 695, negative: 60, negative conditional: 42, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1579, positive: 1537, positive conditional: 842, positive unconditional: 695, negative: 42, negative conditional: 24, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1579, positive: 1537, positive conditional: 842, positive unconditional: 695, negative: 42, negative conditional: 24, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1630, positive: 1537, positive conditional: 722, positive unconditional: 815, negative: 93, negative conditional: 51, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1630, positive: 1537, positive conditional: 255, positive unconditional: 1282, negative: 93, negative conditional: 24, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1630, positive: 1537, positive conditional: 255, positive unconditional: 1282, negative: 93, negative conditional: 24, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 719, positive: 699, positive conditional: 4, positive unconditional: 695, negative: 20, negative conditional: 2, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 719, positive: 693, positive conditional: 0, positive unconditional: 693, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 26, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 20, negative conditional: 2, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 214, positive: 16, positive conditional: 13, positive unconditional: 3, negative: 198, negative conditional: 7, negative unconditional: 192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1630, positive: 838, positive conditional: 251, positive unconditional: 587, negative: 73, negative conditional: 22, negative unconditional: 51, unknown: 719, unknown conditional: 6, unknown unconditional: 713] , Statistics on independence cache: Total cache size (in pairs): 719, Positive cache size: 699, Positive conditional cache size: 4, Positive unconditional cache size: 695, Negative cache size: 20, Negative conditional cache size: 2, Negative unconditional cache size: 18, Eliminated conditions: 494, Maximal queried relation: 2, Independence queries for same thread: 18 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 253.61ms, Number of persistent set computation: 235, Number of trivial persistent sets: 96, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 713, positive: 695, positive conditional: 0, positive unconditional: 695, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1597, positive: 1537, positive conditional: 842, positive unconditional: 695, negative: 60, negative conditional: 42, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1579, positive: 1537, positive conditional: 842, positive unconditional: 695, negative: 42, negative conditional: 24, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1579, positive: 1537, positive conditional: 842, positive unconditional: 695, negative: 42, negative conditional: 24, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1630, positive: 1537, positive conditional: 722, positive unconditional: 815, negative: 93, negative conditional: 51, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1630, positive: 1537, positive conditional: 255, positive unconditional: 1282, negative: 93, negative conditional: 24, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1630, positive: 1537, positive conditional: 255, positive unconditional: 1282, negative: 93, negative conditional: 24, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 719, positive: 699, positive conditional: 4, positive unconditional: 695, negative: 20, negative conditional: 2, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 719, positive: 693, positive conditional: 0, positive unconditional: 693, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 26, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 20, negative conditional: 2, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 214, positive: 16, positive conditional: 13, positive unconditional: 3, negative: 198, negative conditional: 7, negative unconditional: 192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1630, positive: 838, positive conditional: 251, positive unconditional: 587, negative: 73, negative conditional: 22, negative unconditional: 51, unknown: 719, unknown conditional: 6, unknown unconditional: 713] , Statistics on independence cache: Total cache size (in pairs): 719, Positive cache size: 699, Positive conditional cache size: 4, Positive unconditional cache size: 695, Negative cache size: 20, Negative conditional cache size: 2, Negative unconditional cache size: 18, Eliminated conditions: 494, Maximal queried relation: 2, Independence queries for same thread: 18 - 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 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-14 08:10:43,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-14 08:10:43,450 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...