/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:38:01,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:38:01,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:38:01,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 18:38:01,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 18:38:01,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 18:38:01,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 18:38:01,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 18:38:01,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 18:38:01,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 18:38:01,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 18:38:01,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 18:38:01,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 18:38:01,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 18:38:01,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 18:38:01,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 18:38:01,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 18:38:01,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 18:38:01,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 18:38:01,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 18:38:01,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 18:38:01,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 18:38:01,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 18:38:01,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 18:38:01,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 18:38:01,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:38:01,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:38:01,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:38:01,868 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-23 18:38:01,905 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:38:01,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:38:01,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:38:01,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:38:01,909 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:38:01,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:38:01,910 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:38:01,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:38:01,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:38:01,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:38:01,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:38:01,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:38:01,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:38:01,912 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:38:01,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:38:01,912 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:38:01,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:38:01,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:38:01,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:38:01,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:38:01,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:38:01,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:38:01,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:38:01,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:38:01,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:38:01,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:38:01,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:38:01,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:38:01,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:38:01,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:38:02,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:38:02,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:38:02,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:38:02,565 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:38:02,569 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:38:02,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-10-23 18:38:02,696 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe041fd40/bd1422f08149413d86de2b12e6cd57d2/FLAG80f0e1365 [2020-10-23 18:38:03,877 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:38:03,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-10-23 18:38:03,913 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe041fd40/bd1422f08149413d86de2b12e6cd57d2/FLAG80f0e1365 [2020-10-23 18:38:03,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe041fd40/bd1422f08149413d86de2b12e6cd57d2 [2020-10-23 18:38:03,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:38:03,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:38:03,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:38:03,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:38:03,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:38:04,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:38:03" (1/1) ... [2020-10-23 18:38:04,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522b80ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:04, skipping insertion in model container [2020-10-23 18:38:04,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:38:03" (1/1) ... [2020-10-23 18:38:04,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:38:04,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:38:05,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:38:05,075 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:38:05,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:38:05,381 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:38:05,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:05 WrapperNode [2020-10-23 18:38:05,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:38:05,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:38:05,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:38:05,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:38:05,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:05" (1/1) ... [2020-10-23 18:38:05,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:05" (1/1) ... [2020-10-23 18:38:05,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:05" (1/1) ... [2020-10-23 18:38:05,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:05" (1/1) ... [2020-10-23 18:38:05,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:05" (1/1) ... [2020-10-23 18:38:05,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:05" (1/1) ... [2020-10-23 18:38:05,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:05" (1/1) ... [2020-10-23 18:38:05,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:38:05,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:38:05,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:38:05,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:38:05,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:05" (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 [2020-10-23 18:38:05,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:38:05,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:38:05,799 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:38:05,799 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:38:05,800 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:38:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:38:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:38:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:38:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:38:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:38:05,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:38:05,805 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:38:05,806 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:38:05,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:38:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:38:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:38:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:38:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:38:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:38:08,857 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:38:08,858 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:38:08,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:38:08 BoogieIcfgContainer [2020-10-23 18:38:08,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:38:08,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:38:08,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:38:08,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:38:08,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:38:03" (1/3) ... [2020-10-23 18:38:08,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff404f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:38:08, skipping insertion in model container [2020-10-23 18:38:08,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:05" (2/3) ... [2020-10-23 18:38:08,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff404f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:38:08, skipping insertion in model container [2020-10-23 18:38:08,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:38:08" (3/3) ... [2020-10-23 18:38:08,877 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label18.c [2020-10-23 18:38:08,898 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:38:08,909 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:38:08,929 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:38:08,976 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:38:08,976 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:38:08,977 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:38:08,977 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:38:08,977 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:38:08,977 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:38:08,977 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:38:08,977 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:38:09,014 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-23 18:38:09,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-23 18:38:09,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:09,029 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:09,030 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:09,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:09,043 INFO L82 PathProgramCache]: Analyzing trace with hash 559581990, now seen corresponding path program 1 times [2020-10-23 18:38:09,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:09,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484552978] [2020-10-23 18:38:09,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:09,731 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-23 18:38:09,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:09,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:09,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484552978] [2020-10-23 18:38:09,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:38:09,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 18:38:09,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026404615] [2020-10-23 18:38:09,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:38:09,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:09,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:38:09,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:38:09,852 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-23 18:38:10,058 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-23 18:38:15,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:15,168 INFO L93 Difference]: Finished difference Result 796 states and 1392 transitions. [2020-10-23 18:38:15,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 18:38:15,171 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-10-23 18:38:15,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:15,213 INFO L225 Difference]: With dead ends: 796 [2020-10-23 18:38:15,213 INFO L226 Difference]: Without dead ends: 435 [2020-10-23 18:38:15,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:38:15,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-10-23 18:38:15,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 431. [2020-10-23 18:38:15,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-10-23 18:38:15,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 619 transitions. [2020-10-23 18:38:15,359 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 619 transitions. Word has length 41 [2020-10-23 18:38:15,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:15,361 INFO L481 AbstractCegarLoop]: Abstraction has 431 states and 619 transitions. [2020-10-23 18:38:15,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:38:15,361 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 619 transitions. [2020-10-23 18:38:15,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-23 18:38:15,372 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:15,373 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:15,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:38:15,375 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:15,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:15,376 INFO L82 PathProgramCache]: Analyzing trace with hash 794864363, now seen corresponding path program 1 times [2020-10-23 18:38:15,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:15,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661099344] [2020-10-23 18:38:15,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:15,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:15,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:15,849 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:15,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661099344] [2020-10-23 18:38:15,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:38:15,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:38:15,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973203305] [2020-10-23 18:38:15,853 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:38:15,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:15,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:38:15,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:38:15,856 INFO L87 Difference]: Start difference. First operand 431 states and 619 transitions. Second operand 8 states. [2020-10-23 18:38:21,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:21,760 INFO L93 Difference]: Finished difference Result 1666 states and 2473 transitions. [2020-10-23 18:38:21,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 18:38:21,760 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2020-10-23 18:38:21,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:21,774 INFO L225 Difference]: With dead ends: 1666 [2020-10-23 18:38:21,775 INFO L226 Difference]: Without dead ends: 1241 [2020-10-23 18:38:21,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:38:21,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2020-10-23 18:38:21,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1209. [2020-10-23 18:38:21,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1209 states. [2020-10-23 18:38:21,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1689 transitions. [2020-10-23 18:38:21,896 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1689 transitions. Word has length 113 [2020-10-23 18:38:21,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:21,896 INFO L481 AbstractCegarLoop]: Abstraction has 1209 states and 1689 transitions. [2020-10-23 18:38:21,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:38:21,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1689 transitions. [2020-10-23 18:38:21,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-23 18:38:21,900 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:21,901 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:21,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:38:21,901 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:21,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:21,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1030668805, now seen corresponding path program 1 times [2020-10-23 18:38:21,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:21,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737926124] [2020-10-23 18:38:21,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:22,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:22,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:22,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737926124] [2020-10-23 18:38:22,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:38:22,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:38:22,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550334229] [2020-10-23 18:38:22,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:38:22,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:22,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:38:22,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:38:22,216 INFO L87 Difference]: Start difference. First operand 1209 states and 1689 transitions. Second operand 7 states. [2020-10-23 18:38:27,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:27,181 INFO L93 Difference]: Finished difference Result 3632 states and 5218 transitions. [2020-10-23 18:38:27,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-23 18:38:27,183 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 121 [2020-10-23 18:38:27,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:27,210 INFO L225 Difference]: With dead ends: 3632 [2020-10-23 18:38:27,210 INFO L226 Difference]: Without dead ends: 2429 [2020-10-23 18:38:27,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:38:27,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2429 states. [2020-10-23 18:38:27,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2429 to 2404. [2020-10-23 18:38:27,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2404 states. [2020-10-23 18:38:27,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3176 transitions. [2020-10-23 18:38:27,388 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3176 transitions. Word has length 121 [2020-10-23 18:38:27,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:27,390 INFO L481 AbstractCegarLoop]: Abstraction has 2404 states and 3176 transitions. [2020-10-23 18:38:27,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:38:27,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3176 transitions. [2020-10-23 18:38:27,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-23 18:38:27,398 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:27,398 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:27,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 18:38:27,399 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:27,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:27,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1380084630, now seen corresponding path program 1 times [2020-10-23 18:38:27,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:27,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261898962] [2020-10-23 18:38:27,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:27,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:27,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:27,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-23 18:38:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:27,940 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:38:27,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261898962] [2020-10-23 18:38:27,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808788240] [2020-10-23 18:38:27,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:28,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-23 18:38:28,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:28,272 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:28,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:38:28,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2020-10-23 18:38:28,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135733470] [2020-10-23 18:38:28,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:38:28,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:28,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:38:28,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:38:28,278 INFO L87 Difference]: Start difference. First operand 2404 states and 3176 transitions. Second operand 7 states. [2020-10-23 18:38:28,462 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-23 18:38:32,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:32,755 INFO L93 Difference]: Finished difference Result 5665 states and 8036 transitions. [2020-10-23 18:38:32,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:38:32,761 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 184 [2020-10-23 18:38:32,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:32,790 INFO L225 Difference]: With dead ends: 5665 [2020-10-23 18:38:32,791 INFO L226 Difference]: Without dead ends: 3455 [2020-10-23 18:38:32,801 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:38:32,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3455 states. [2020-10-23 18:38:32,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3455 to 3390. [2020-10-23 18:38:32,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3390 states. [2020-10-23 18:38:32,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 4349 transitions. [2020-10-23 18:38:32,960 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 4349 transitions. Word has length 184 [2020-10-23 18:38:32,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:32,961 INFO L481 AbstractCegarLoop]: Abstraction has 3390 states and 4349 transitions. [2020-10-23 18:38:32,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:38:32,962 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 4349 transitions. [2020-10-23 18:38:32,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-23 18:38:32,968 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:32,968 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:33,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:33,183 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:33,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:33,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1213283202, now seen corresponding path program 1 times [2020-10-23 18:38:33,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:33,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329044775] [2020-10-23 18:38:33,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:33,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:33,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:33,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-23 18:38:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:33,607 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-23 18:38:33,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329044775] [2020-10-23 18:38:33,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216102252] [2020-10-23 18:38:33,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:33,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:38:33,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:33,969 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-23 18:38:33,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:38:33,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-10-23 18:38:33,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956813012] [2020-10-23 18:38:33,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:38:33,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:33,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:38:33,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:38:33,975 INFO L87 Difference]: Start difference. First operand 3390 states and 4349 transitions. Second operand 3 states. [2020-10-23 18:38:36,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:36,108 INFO L93 Difference]: Finished difference Result 8501 states and 11158 transitions. [2020-10-23 18:38:36,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:38:36,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2020-10-23 18:38:36,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:36,156 INFO L225 Difference]: With dead ends: 8501 [2020-10-23 18:38:36,157 INFO L226 Difference]: Without dead ends: 5305 [2020-10-23 18:38:36,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:38:36,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5305 states. [2020-10-23 18:38:36,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5305 to 5301. [2020-10-23 18:38:36,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5301 states. [2020-10-23 18:38:36,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5301 states to 5301 states and 6841 transitions. [2020-10-23 18:38:36,503 INFO L78 Accepts]: Start accepts. Automaton has 5301 states and 6841 transitions. Word has length 194 [2020-10-23 18:38:36,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:36,504 INFO L481 AbstractCegarLoop]: Abstraction has 5301 states and 6841 transitions. [2020-10-23 18:38:36,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:38:36,505 INFO L276 IsEmpty]: Start isEmpty. Operand 5301 states and 6841 transitions. [2020-10-23 18:38:36,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-23 18:38:36,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:36,512 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:36,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:36,727 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:36,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:36,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1233956440, now seen corresponding path program 1 times [2020-10-23 18:38:36,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:36,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608446367] [2020-10-23 18:38:36,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:37,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:37,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:37,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-23 18:38:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:37,249 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:38:37,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608446367] [2020-10-23 18:38:37,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064650414] [2020-10-23 18:38:37,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:37,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-23 18:38:37,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:37,597 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 18:38:37,606 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 18:38:37,762 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-23 18:38:37,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:38:37,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2020-10-23 18:38:37,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916375565] [2020-10-23 18:38:37,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:38:37,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:37,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:38:37,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:38:37,768 INFO L87 Difference]: Start difference. First operand 5301 states and 6841 transitions. Second operand 5 states. [2020-10-23 18:38:40,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:40,526 INFO L93 Difference]: Finished difference Result 10669 states and 13896 transitions. [2020-10-23 18:38:40,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 18:38:40,528 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 216 [2020-10-23 18:38:40,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:40,577 INFO L225 Difference]: With dead ends: 10669 [2020-10-23 18:38:40,578 INFO L226 Difference]: Without dead ends: 5562 [2020-10-23 18:38:40,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:38:40,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5562 states. [2020-10-23 18:38:40,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5562 to 5527. [2020-10-23 18:38:40,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5527 states. [2020-10-23 18:38:40,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5527 states to 5527 states and 7135 transitions. [2020-10-23 18:38:40,852 INFO L78 Accepts]: Start accepts. Automaton has 5527 states and 7135 transitions. Word has length 216 [2020-10-23 18:38:40,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:40,853 INFO L481 AbstractCegarLoop]: Abstraction has 5527 states and 7135 transitions. [2020-10-23 18:38:40,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:38:40,853 INFO L276 IsEmpty]: Start isEmpty. Operand 5527 states and 7135 transitions. [2020-10-23 18:38:40,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-23 18:38:40,863 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:40,864 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:41,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:41,078 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:41,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:41,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1494240226, now seen corresponding path program 1 times [2020-10-23 18:38:41,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:41,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736740993] [2020-10-23 18:38:41,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:41,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:41,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:38:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:41,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 18:38:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:41,654 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-23 18:38:41,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736740993] [2020-10-23 18:38:41,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836561280] [2020-10-23 18:38:41,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:38:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:41,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-23 18:38:41,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:38:42,019 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-23 18:38:42,368 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:42,433 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-23 18:38:42,597 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-10-23 18:38:42,845 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-23 18:38:42,883 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-23 18:38:42,987 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-23 18:38:43,175 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-23 18:38:43,211 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-23 18:38:43,419 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-23 18:38:43,428 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-23 18:38:43,429 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:43,431 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:43,454 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-23 18:38:43,461 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:43,466 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-23 18:38:43,486 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-23 18:38:43,493 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-23 18:38:43,562 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:38:43,618 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-23 18:38:43,636 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:43,654 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-23 18:38:43,780 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-23 18:38:43,798 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-23 18:38:43,839 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:43,913 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-23 18:38:43,929 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:44,050 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-23 18:38:44,063 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:44,080 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-23 18:38:44,175 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-23 18:38:44,189 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-23 18:38:44,220 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:44,284 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-23 18:38:44,299 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:44,413 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-23 18:38:44,414 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:44,418 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:44,423 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-23 18:38:44,429 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:44,440 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-23 18:38:44,447 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-23 18:38:44,454 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-23 18:38:44,487 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-23 18:38:44,500 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:44,514 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-23 18:38:44,606 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-23 18:38:44,618 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-23 18:38:44,651 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:44,721 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-23 18:38:44,736 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:44,832 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-23 18:38:44,833 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:44,837 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:44,842 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-23 18:38:44,850 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:44,855 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-23 18:38:44,866 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-23 18:38:44,872 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-23 18:38:44,932 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-23 18:38:44,953 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-23 18:38:45,009 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-10-23 18:38:45,162 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-23 18:38:45,192 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-23 18:38:45,258 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-23 18:38:45,400 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-23 18:38:45,427 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-23 18:38:45,859 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:38:46,037 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:38:46,299 INFO L721 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:38:46,931 INFO L721 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:38:48,023 INFO L721 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:38:49,322 INFO L721 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:38:50,823 INFO L721 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:38:52,736 INFO L721 QuantifierPusher]: Run 70 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:38:55,021 INFO L721 QuantifierPusher]: Run 80 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:38:57,858 INFO L721 QuantifierPusher]: Run 90 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:39:01,203 INFO L721 QuantifierPusher]: Run 100 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:39:05,472 INFO L721 QuantifierPusher]: Run 110 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:39:10,633 INFO L721 QuantifierPusher]: Run 120 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:39:17,029 INFO L721 QuantifierPusher]: Run 130 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:39:24,422 INFO L721 QuantifierPusher]: Run 140 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:39:33,179 INFO L721 QuantifierPusher]: Run 150 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:39:43,196 INFO L721 QuantifierPusher]: Run 160 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:39:54,167 INFO L721 QuantifierPusher]: Run 170 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:40:05,971 INFO L721 QuantifierPusher]: Run 180 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:40:20,689 INFO L721 QuantifierPusher]: Run 190 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:40:37,208 INFO L721 QuantifierPusher]: Run 200 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:40:55,023 INFO L721 QuantifierPusher]: Run 210 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:41:13,357 INFO L721 QuantifierPusher]: Run 220 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:41:33,599 INFO L721 QuantifierPusher]: Run 230 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:41:55,617 INFO L721 QuantifierPusher]: Run 240 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:42:22,162 INFO L721 QuantifierPusher]: Run 250 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:42:51,523 INFO L721 QuantifierPusher]: Run 260 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:43:24,046 INFO L721 QuantifierPusher]: Run 270 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:43:54,505 INFO L721 QuantifierPusher]: Run 280 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:44:27,219 INFO L721 QuantifierPusher]: Run 290 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:45:04,183 INFO L721 QuantifierPusher]: Run 300 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:45:43,783 INFO L721 QuantifierPusher]: Run 310 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:46:24,580 INFO L721 QuantifierPusher]: Run 320 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:47:06,800 INFO L721 QuantifierPusher]: Run 330 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:47:53,211 INFO L721 QuantifierPusher]: Run 340 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:48:47,943 INFO L721 QuantifierPusher]: Run 350 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:49:45,983 INFO L721 QuantifierPusher]: Run 360 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:50:48,171 INFO L721 QuantifierPusher]: Run 370 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug.