/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-DelaySleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/showcase/NonAtomicIncrement_2Threads.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 14:42:50,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 14:42:50,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 14:42:50,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 14:42:50,439 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-DelaySleep-NoLbe-Random42.epf [2021-06-06 14:42:50,477 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 14:42:50,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 14:42:50,478 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 14:42:50,478 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 14:42:50,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 14:42:50,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 14:42:50,480 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 14:42:50,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 14:42:50,481 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 14:42:50,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 14:42:50,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 14:42:50,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 14:42:50,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 14:42:50,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 14:42:50,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 14:42:50,482 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 14:42:50,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 14:42:50,482 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 14:42:50,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 14:42:50,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 14:42:50,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 14:42:50,483 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 14:42:50,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 14:42:50,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 14:42:50,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 14:42:50,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 14:42:50,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 14:42:50,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 14:42:50,484 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 14:42:50,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 14:42:50,484 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 14:42:50,484 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 14:42:50,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 14:42:50,484 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 14:42:50,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 14:42:50,485 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 14:42:50,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 14:42:50,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 14:42:50,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 14:42:50,827 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 14:42:50,828 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 14:42:50,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/NonAtomicIncrement_2Threads.bpl [2021-06-06 14:42:50,829 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/NonAtomicIncrement_2Threads.bpl' [2021-06-06 14:42:50,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 14:42:50,847 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 14:42:50,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 14:42:50,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 14:42:50,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 14:42:50,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 02:42:50" (1/1) ... [2021-06-06 14:42:50,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 02:42:50" (1/1) ... [2021-06-06 14:42:50,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 14:42:50,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 14:42:50,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 14:42:50,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 14:42:50,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 02:42:50" (1/1) ... [2021-06-06 14:42:50,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 02:42:50" (1/1) ... [2021-06-06 14:42:50,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 02:42:50" (1/1) ... [2021-06-06 14:42:50,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 02:42:50" (1/1) ... [2021-06-06 14:42:50,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 02:42:50" (1/1) ... [2021-06-06 14:42:50,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 02:42:50" (1/1) ... [2021-06-06 14:42:50,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 02:42:50" (1/1) ... [2021-06-06 14:42:50,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 14:42:50,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 14:42:50,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 14:42:50,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 14:42:50,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 02:42:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 14:42:50,963 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 14:42:50,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 14:42:50,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 14:42:50,964 INFO L124 BoogieDeclarations]: Specification and implementation of procedure IncrementProcess1 given in one single declaration [2021-06-06 14:42:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure IncrementProcess1 [2021-06-06 14:42:50,964 INFO L138 BoogieDeclarations]: Found implementation of procedure IncrementProcess1 [2021-06-06 14:42:50,965 INFO L124 BoogieDeclarations]: Specification and implementation of procedure IncrementProcess2 given in one single declaration [2021-06-06 14:42:50,965 INFO L130 BoogieDeclarations]: Found specification of procedure IncrementProcess2 [2021-06-06 14:42:50,965 INFO L138 BoogieDeclarations]: Found implementation of procedure IncrementProcess2 [2021-06-06 14:42:50,966 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 14:42:51,108 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 14:42:51,109 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 14:42:51,110 INFO L202 PluginConnector]: Adding new model NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:42:51 BoogieIcfgContainer [2021-06-06 14:42:51,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 14:42:51,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 14:42:51,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 14:42:51,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 14:42:51,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 02:42:50" (1/2) ... [2021-06-06 14:42:51,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102e8528 and model type NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:42:51, skipping insertion in model container [2021-06-06 14:42:51,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:42:51" (2/2) ... [2021-06-06 14:42:51,117 INFO L111 eAbstractionObserver]: Analyzing ICFG NonAtomicIncrement_2Threads.bpl [2021-06-06 14:42:51,121 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 14:42:51,122 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 14:42:51,122 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 14:42:51,122 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 14:42:51,156 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,157 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,157 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,157 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,158 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,158 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,158 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,158 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,159 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,159 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,159 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,159 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,160 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,160 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,160 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,160 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,161 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,161 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,161 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,161 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,161 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,162 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,163 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,169 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,171 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess1Thread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,176 WARN L313 ript$VariableManager]: TermVariabe IncrementProcess2Thread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:42:51,192 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-06 14:42:51,225 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 14:42:51,291 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 14:42:51,292 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 14:42:51,292 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 14:42:51,292 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 14:42:51,292 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 14:42:51,292 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 14:42:51,292 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 14:42:51,292 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 14:42:51,363 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 14:42:51,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:42:51,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1149981476, now seen corresponding path program 1 times [2021-06-06 14:42:51,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:42:51,375 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496151124] [2021-06-06 14:42:51,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:42:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:42:51,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:42:51,620 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:42:51,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496151124] [2021-06-06 14:42:51,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496151124] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:42:51,621 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:42:51,621 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-06 14:42:51,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293997485] [2021-06-06 14:42:51,626 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 14:42:51,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:42:51,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 14:42:51,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-06-06 14:42:51,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:51,646 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:42:51,653 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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) [2021-06-06 14:42:51,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:52,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 14:42:52,036 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 14:42:52,037 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 14:42:52,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:42:52,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1247459820, now seen corresponding path program 2 times [2021-06-06 14:42:52,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:42:52,041 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599139809] [2021-06-06 14:42:52,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:42:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:42:52,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:42:52,190 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:42:52,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599139809] [2021-06-06 14:42:52,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599139809] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:42:52,191 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:42:52,191 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-06 14:42:52,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771512982] [2021-06-06 14:42:52,192 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 14:42:52,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:42:52,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 14:42:52,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-06-06 14:42:52,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:52,196 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:42:52,196 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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) [2021-06-06 14:42:52,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 14:42:52,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:52,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 14:42:52,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 14:42:52,585 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 14:42:52,585 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 14:42:52,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:42:52,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1595011206, now seen corresponding path program 1 times [2021-06-06 14:42:52,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:42:52,586 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133537401] [2021-06-06 14:42:52,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:42:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:42:52,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:42:52,629 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:42:52,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133537401] [2021-06-06 14:42:52,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133537401] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:42:52,631 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:42:52,631 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 14:42:52,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281904734] [2021-06-06 14:42:52,632 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 14:42:52,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:42:52,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 14:42:52,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 14:42:52,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:52,634 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:42:52,634 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-06-06 14:42:52,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 14:42:52,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 14:42:52,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:52,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 14:42:52,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 14:42:52,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 14:42:52,658 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 14:42:52,658 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 14:42:52,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:42:52,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1594666176, now seen corresponding path program 3 times [2021-06-06 14:42:52,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:42:52,665 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359464484] [2021-06-06 14:42:52,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:42:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:42:52,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:42:52,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:42:52,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359464484] [2021-06-06 14:42:52,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359464484] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:42:52,775 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:42:52,775 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-06 14:42:52,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210823517] [2021-06-06 14:42:52,776 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 14:42:52,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:42:52,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 14:42:52,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-06-06 14:42:52,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:52,777 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:42:52,777 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2021-06-06 14:42:52,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 14:42:52,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 14:42:52,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 14:42:52,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 14:42:53,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 14:42:53,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 14:42:53,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 14:42:53,101 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 14:42:53,102 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 14:42:53,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:42:53,102 INFO L82 PathProgramCache]: Analyzing trace with hash -312831542, now seen corresponding path program 4 times [2021-06-06 14:42:53,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:42:53,103 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335800364] [2021-06-06 14:42:53,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:42:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:42:53,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:42:53,176 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:42:53,176 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335800364] [2021-06-06 14:42:53,176 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335800364] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:42:53,176 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:42:53,177 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-06 14:42:53,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068064029] [2021-06-06 14:42:53,177 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 14:42:53,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:42:53,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 14:42:53,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-06-06 14:42:53,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:53,178 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:42:53,179 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2021-06-06 14:42:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 14:42:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 14:42:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 14:42:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 14:42:53,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:53,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 14:42:53,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 14:42:53,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 14:42:53,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 14:42:53,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 14:42:53,434 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-06 14:42:53,434 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 14:42:53,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:42:53,434 INFO L82 PathProgramCache]: Analyzing trace with hash -43897090, now seen corresponding path program 5 times [2021-06-06 14:42:53,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:42:53,435 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693204407] [2021-06-06 14:42:53,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:42:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:42:53,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:42:53,512 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:42:53,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693204407] [2021-06-06 14:42:53,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693204407] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:42:53,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:42:53,512 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-06 14:42:53,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309490628] [2021-06-06 14:42:53,513 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 14:42:53,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:42:53,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 14:42:53,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-06-06 14:42:53,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:53,514 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:42:53,514 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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) [2021-06-06 14:42:53,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 14:42:53,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 14:42:53,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 14:42:53,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 14:42:53,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 14:42:53,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:53,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 14:42:53,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 14:42:53,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 14:42:53,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 14:42:53,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 14:42:53,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:42:53,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-06 14:42:53,929 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 14:42:53,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:42:53,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1973449492, now seen corresponding path program 6 times [2021-06-06 14:42:53,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:42:53,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982198778] [2021-06-06 14:42:53,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:42:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:42:54,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:42:54,019 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:42:54,019 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982198778] [2021-06-06 14:42:54,020 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982198778] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:42:54,020 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:42:54,020 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-06 14:42:54,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548534182] [2021-06-06 14:42:54,020 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 14:42:54,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:42:54,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 14:42:54,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-06-06 14:42:54,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:54,021 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:42:54,021 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2021-06-06 14:42:54,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 14:42:54,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 14:42:54,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 14:42:54,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 14:42:54,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 14:42:54,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:42:54,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:54,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 14:42:54,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 14:42:54,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 14:42:54,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:42:54,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 14:42:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 14:42:54,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 14:42:54,543 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-06 14:42:54,543 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 14:42:54,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:42:54,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1695902920, now seen corresponding path program 7 times [2021-06-06 14:42:54,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:42:54,544 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509309438] [2021-06-06 14:42:54,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:42:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:42:54,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:42:54,591 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:42:54,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509309438] [2021-06-06 14:42:54,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509309438] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:42:54,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:42:54,594 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 14:42:54,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724693310] [2021-06-06 14:42:54,594 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 14:42:54,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:42:54,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 14:42:54,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-06 14:42:54,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:54,595 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:42:54,596 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 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) [2021-06-06 14:42:54,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 14:42:54,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 14:42:54,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 14:42:54,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:42:54,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 14:42:54,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 14:42:54,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 14:42:54,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:54,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 14:42:54,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 14:42:54,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 14:42:54,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:42:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 14:42:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 14:42:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:42:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 14:42:54,787 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-06 14:42:54,787 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 14:42:54,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:42:54,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1964837372, now seen corresponding path program 8 times [2021-06-06 14:42:54,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:42:54,788 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326521556] [2021-06-06 14:42:54,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:42:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:42:54,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:42:54,864 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:42:54,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326521556] [2021-06-06 14:42:54,864 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326521556] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:42:54,864 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:42:54,864 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-06 14:42:54,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992053733] [2021-06-06 14:42:54,865 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 14:42:54,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:42:54,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 14:42:54,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-06-06 14:42:54,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:54,865 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:42:54,866 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2021-06-06 14:42:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 14:42:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 14:42:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 14:42:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:42:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 14:42:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 14:42:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:42:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 14:42:54,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:55,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 14:42:55,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 14:42:55,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 14:42:55,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:42:55,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 14:42:55,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 14:42:55,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:42:55,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 14:42:55,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:42:55,167 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-06 14:42:55,167 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 14:42:55,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:42:55,167 INFO L82 PathProgramCache]: Analyzing trace with hash 35284970, now seen corresponding path program 9 times [2021-06-06 14:42:55,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:42:55,167 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642770142] [2021-06-06 14:42:55,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:42:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:42:55,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:42:55,225 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:42:55,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642770142] [2021-06-06 14:42:55,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642770142] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:42:55,225 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:42:55,225 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 14:42:55,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986020874] [2021-06-06 14:42:55,225 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-06 14:42:55,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:42:55,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-06 14:42:55,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-06 14:42:55,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:55,226 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:42:55,226 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 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) [2021-06-06 14:42:55,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-06 14:42:55,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 14:42:55,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 14:42:55,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:42:55,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 14:42:55,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 14:42:55,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:42:55,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 14:42:55,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:42:55,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:42:55,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-06 14:42:55,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 14:42:55,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 14:42:55,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:42:55,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 14:42:55,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 14:42:55,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:42:55,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 14:42:55,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:42:55,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 14:42:55,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-06 14:42:55,476 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 14:42:55,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:42:55,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1540189130, now seen corresponding path program 10 times [2021-06-06 14:42:55,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:42:55,476 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878619154] [2021-06-06 14:42:55,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:42:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-06 14:42:55,481 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-06 14:42:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-06 14:42:55,484 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-06 14:42:55,495 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-06 14:42:55,495 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-06 14:42:55,496 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-06 14:42:55,506 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 14:42:55,514 INFO L202 PluginConnector]: Adding new model NonAtomicIncrement_2Threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 02:42:55 BasicIcfg [2021-06-06 14:42:55,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 14:42:55,515 INFO L168 Benchmark]: Toolchain (without parser) took 4668.32 ms. Allocated memory was 385.9 MB in the beginning and 463.5 MB in the end (delta: 77.6 MB). Free memory was 366.0 MB in the beginning and 413.7 MB in the end (delta: -47.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.0 GB. [2021-06-06 14:42:55,516 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 385.9 MB. Free memory is still 366.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 14:42:55,516 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.49 ms. Allocated memory is still 385.9 MB. Free memory was 366.0 MB in the beginning and 364.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 14:42:55,516 INFO L168 Benchmark]: Boogie Preprocessor took 14.82 ms. Allocated memory is still 385.9 MB. Free memory was 364.4 MB in the beginning and 363.6 MB in the end (delta: 874.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 14:42:55,516 INFO L168 Benchmark]: RCFGBuilder took 216.51 ms. Allocated memory is still 385.9 MB. Free memory was 363.6 MB in the beginning and 353.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-06-06 14:42:55,517 INFO L168 Benchmark]: TraceAbstraction took 4403.09 ms. Allocated memory was 385.9 MB in the beginning and 463.5 MB in the end (delta: 77.6 MB). Free memory was 353.0 MB in the beginning and 413.7 MB in the end (delta: -60.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.0 GB. [2021-06-06 14:42:55,518 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 385.9 MB. Free memory is still 366.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 27.49 ms. Allocated memory is still 385.9 MB. Free memory was 366.0 MB in the beginning and 364.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.82 ms. Allocated memory is still 385.9 MB. Free memory was 364.4 MB in the beginning and 363.6 MB in the end (delta: 874.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 216.51 ms. Allocated memory is still 385.9 MB. Free memory was 363.6 MB in the beginning and 353.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4403.09 ms. Allocated memory was 385.9 MB in the beginning and 463.5 MB in the end (delta: 77.6 MB). Free memory was 353.0 MB in the beginning and 413.7 MB in the end (delta: -60.6 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3124, positive: 2309, positive conditional: 2309, positive unconditional: 0, negative: 815, negative conditional: 815, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2813, positive: 2309, positive conditional: 2309, positive unconditional: 0, negative: 504, negative conditional: 504, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2813, positive: 2309, positive conditional: 0, positive unconditional: 2309, negative: 504, negative conditional: 0, negative unconditional: 504, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 68, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 68, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 366, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 366, negative conditional: 344, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 499, negative conditional: 420, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2813, positive: 2263, positive conditional: 0, positive unconditional: 2263, negative: 482, negative conditional: 0, negative unconditional: 482, unknown: 68, unknown conditional: 0, unknown unconditional: 68] , Statistics on independence cache: Total cache size (in pairs): 412, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 366, Negative conditional cache size: 344, Negative unconditional cache size: 22, SemanticConditionEliminator.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 366, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 366, negative conditional: 344, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 499, negative conditional: 420, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3495, negative conditional: 1932, negative unconditional: 1563, unknown: 344, unknown conditional: 344, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 412, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 366, Negative conditional cache size: 344, Negative unconditional cache size: 22, Eliminated conditions: 1563, SemanticConditionEliminator.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 366, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 366, negative conditional: 344, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 499, negative conditional: 420, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3495, negative conditional: 1932, negative unconditional: 1563, unknown: 344, unknown conditional: 344, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 412, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 366, Negative conditional cache size: 344, Negative unconditional cache size: 22, Eliminated conditions: 1563, SemanticConditionEliminator.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 366, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 366, negative conditional: 344, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 499, negative conditional: 420, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3495, negative conditional: 1932, negative unconditional: 1563, unknown: 344, unknown conditional: 344, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 412, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 366, Negative conditional cache size: 344, Negative unconditional cache size: 22, Eliminated conditions: 1563, SemanticConditionEliminator.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 366, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 366, negative conditional: 344, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 499, negative conditional: 420, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3495, negative conditional: 1932, negative unconditional: 1563, unknown: 344, unknown conditional: 344, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 412, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 366, Negative conditional cache size: 344, Negative unconditional cache size: 22, Eliminated conditions: 1563, SemanticConditionEliminator.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 366, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 366, negative conditional: 344, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 499, negative conditional: 420, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3495, negative conditional: 1932, negative unconditional: 1563, unknown: 344, unknown conditional: 344, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 412, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 366, Negative conditional cache size: 344, Negative unconditional cache size: 22, Eliminated conditions: 1563, SemanticConditionEliminator.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 366, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 366, negative conditional: 344, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 499, negative conditional: 420, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3495, negative conditional: 1932, negative unconditional: 1563, unknown: 344, unknown conditional: 344, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 412, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 366, Negative conditional cache size: 344, Negative unconditional cache size: 22, Eliminated conditions: 1563, SemanticConditionEliminator.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 366, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 366, negative conditional: 344, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 499, negative conditional: 420, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3495, negative conditional: 1932, negative unconditional: 1563, unknown: 344, unknown conditional: 344, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 412, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 366, Negative conditional cache size: 344, Negative unconditional cache size: 22, Eliminated conditions: 1563, SemanticConditionEliminator.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 366, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 366, negative conditional: 344, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 499, negative conditional: 420, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3495, negative conditional: 1932, negative unconditional: 1563, unknown: 344, unknown conditional: 344, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 412, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 366, Negative conditional cache size: 344, Negative unconditional cache size: 22, Eliminated conditions: 1563, SemanticConditionEliminator.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 366, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 366, negative conditional: 344, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 499, negative conditional: 420, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3495, negative conditional: 1932, negative unconditional: 1563, unknown: 344, unknown conditional: 344, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 412, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 366, Negative conditional cache size: 344, Negative unconditional cache size: 22, Eliminated conditions: 1563, SemanticConditionEliminator.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3839, negative conditional: 2276, negative unconditional: 1563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 366, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 366, negative conditional: 344, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 499, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 499, negative conditional: 420, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3839, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3495, negative conditional: 1932, negative unconditional: 1563, unknown: 344, unknown conditional: 344, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 412, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 366, Negative conditional cache size: 344, Negative unconditional cache size: 22, Eliminated conditions: 1563 ], Maximal queried relation: 10, Independence queries for same thread: 311 - CounterExampleResult [Line: 28]: assertion can be violated assertion can be violated We found a FailurePath: [L22] 0 x := 0; VAL [x=0] [L24] FORK 0 fork 1 IncrementProcess1(); VAL [x=0] [L38] 1 localx := x; VAL [localx=0, x=0] [L25] FORK 0 fork 2 IncrementProcess2(); VAL [localx=0, x=0] [L54] 2 localx := x; VAL [localx=0, localx=0, x=0] [L39] 1 x := localx + 1; VAL [localx=0, localx=0, x=1] [L41] 1 localx := x; VAL [localx=0, localx=1, x=1] [L42] 1 x := localx + 1; VAL [localx=0, localx=1, x=2] [L55] 2 x := localx + 1; VAL [localx=0, localx=1, x=1] [L57] 2 localx := x; VAL [localx=1, localx=1, x=1] [L44] 1 localx := x; VAL [localx=1, localx=1, x=1] [L58] 2 x := localx + 1; VAL [localx=1, localx=1, x=2] [L60] 2 localx := x; VAL [localx=2, localx=1, x=2] [L61] 2 x := localx + 1; VAL [localx=2, localx=1, x=3] [L45] 1 x := localx + 1; VAL [localx=2, localx=1, x=2] [L26] JOIN 1 join 1; VAL [localx=2, localx=1, x=2] [L27] JOIN 2 join 2; VAL [localx=2, localx=1, x=2] [L28] 0 assert x >= 3; VAL [localx=2, localx=1, x=2] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 43 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4263.9ms, OverallIterations: 11, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.1ms, PartialOrderReductionTime: 3109.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 148, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.0ms SsaConstructionTime, 99.7ms SatisfiabilityAnalysisTime, 778.8ms InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 556 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! Received shutdown request...