/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench/prodbin-ll.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 19:24:37,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 19:24:37,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 19:24:37,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-02 19:24:37,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-02 19:24:37,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-02 19:24:37,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-02 19:24:37,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-02 19:24:37,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-02 19:24:37,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-02 19:24:37,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-02 19:24:37,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2021-05-02 19:24:37,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 19:24:37,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 19:24:37,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 19:24:37,961 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-02 19:24:37,973 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 19:24:37,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 19:24:37,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 19:24:37,976 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 19:24:37,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 19:24:37,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 19:24:37,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 19:24:37,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 19:24:37,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 19:24:37,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 19:24:37,977 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 19:24:37,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 19:24:37,978 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 19:24:37,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 19:24:37,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 19:24:37,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 19:24:37,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-02 19:24:37,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 19:24:37,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 19:24:37,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 19:24:37,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-02 19:24:37,979 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-02 19:24:37,979 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 19:24:38,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 19:24:38,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 19:24:38,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 19:24:38,308 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 19:24:38,310 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 19:24:38,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/prodbin-ll.c [2021-05-02 19:24:38,359 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1644fe618/806556366475455aa7bf04e07b6d6239/FLAG3b3f7a97f [2021-05-02 19:24:38,721 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 19:24:38,722 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/prodbin-ll.c [2021-05-02 19:24:38,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1644fe618/806556366475455aa7bf04e07b6d6239/FLAG3b3f7a97f [2021-05-02 19:24:39,159 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1644fe618/806556366475455aa7bf04e07b6d6239 [2021-05-02 19:24:39,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 19:24:39,171 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-02 19:24:39,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 19:24:39,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 19:24:39,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 19:24:39,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 07:24:39" (1/1) ... [2021-05-02 19:24:39,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb0f2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:24:39, skipping insertion in model container [2021-05-02 19:24:39,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 07:24:39" (1/1) ... [2021-05-02 19:24:39,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 19:24:39,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 19:24:39,384 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/prodbin-ll.c[537,550] [2021-05-02 19:24:39,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 19:24:39,395 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 19:24:39,434 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/prodbin-ll.c[537,550] [2021-05-02 19:24:39,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 19:24:39,456 INFO L208 MainTranslator]: Completed translation [2021-05-02 19:24:39,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:24:39 WrapperNode [2021-05-02 19:24:39,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 19:24:39,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 19:24:39,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 19:24:39,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 19:24:39,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:24:39" (1/1) ... [2021-05-02 19:24:39,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:24:39" (1/1) ... [2021-05-02 19:24:39,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:24:39" (1/1) ... [2021-05-02 19:24:39,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:24:39" (1/1) ... [2021-05-02 19:24:39,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:24:39" (1/1) ... [2021-05-02 19:24:39,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:24:39" (1/1) ... [2021-05-02 19:24:39,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:24:39" (1/1) ... [2021-05-02 19:24:39,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 19:24:39,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 19:24:39,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 19:24:39,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 19:24:39,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:24:39" (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 [2021-05-02 19:24:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 19:24:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 19:24:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 19:24:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-02 19:24:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-02 19:24:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 19:24:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 19:24:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 19:24:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 19:24:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 19:24:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-02 19:24:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-02 19:24:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-02 19:24:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 19:24:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 19:24:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 19:24:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 19:24:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 19:24:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 19:24:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 19:24:39,802 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 19:24:39,802 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-02 19:24:39,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 07:24:39 BoogieIcfgContainer [2021-05-02 19:24:39,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 19:24:39,804 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-02 19:24:39,804 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-02 19:24:39,804 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-02 19:24:39,806 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 07:24:39" (1/1) ... [2021-05-02 19:24:39,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 07:24:39 BasicIcfg [2021-05-02 19:24:39,816 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-02 19:24:39,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 19:24:39,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 19:24:39,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 19:24:39,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 07:24:39" (1/4) ... [2021-05-02 19:24:39,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43a4ae0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 07:24:39, skipping insertion in model container [2021-05-02 19:24:39,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 07:24:39" (2/4) ... [2021-05-02 19:24:39,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43a4ae0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 07:24:39, skipping insertion in model container [2021-05-02 19:24:39,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 07:24:39" (3/4) ... [2021-05-02 19:24:39,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43a4ae0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 07:24:39, skipping insertion in model container [2021-05-02 19:24:39,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 07:24:39" (4/4) ... [2021-05-02 19:24:39,820 INFO L111 eAbstractionObserver]: Analyzing ICFG prodbin-ll.cJordan [2021-05-02 19:24:39,823 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-02 19:24:39,825 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 19:24:39,835 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 19:24:39,855 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 19:24:39,855 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-02 19:24:39,855 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-02 19:24:39,855 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 19:24:39,855 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 19:24:39,855 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 19:24:39,855 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 19:24:39,855 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 19:24:39,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-05-02 19:24:39,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-05-02 19:24:39,869 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:24:39,869 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 19:24:39,869 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:24:39,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:24:39,873 INFO L82 PathProgramCache]: Analyzing trace with hash -771267128, now seen corresponding path program 1 times [2021-05-02 19:24:39,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:24:39,890 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024779970] [2021-05-02 19:24:39,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:24:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:24:40,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 19:24:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:24:40,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 19:24:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:24:40,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 19:24:40,063 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:24:40,063 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024779970] [2021-05-02 19:24:40,064 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024779970] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 19:24:40,064 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 19:24:40,064 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-02 19:24:40,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881484732] [2021-05-02 19:24:40,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-02 19:24:40,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:24:40,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-02 19:24:40,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-02 19:24:40,077 INFO L87 Difference]: Start difference. First operand has 29 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-05-02 19:24:40,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:24:40,113 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2021-05-02 19:24:40,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-02 19:24:40,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2021-05-02 19:24:40,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:24:40,118 INFO L225 Difference]: With dead ends: 29 [2021-05-02 19:24:40,118 INFO L226 Difference]: Without dead ends: 24 [2021-05-02 19:24:40,119 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-02 19:24:40,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-05-02 19:24:40,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-05-02 19:24:40,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-05-02 19:24:40,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2021-05-02 19:24:40,138 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 17 [2021-05-02 19:24:40,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:24:40,138 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2021-05-02 19:24:40,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-05-02 19:24:40,138 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2021-05-02 19:24:40,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-05-02 19:24:40,139 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:24:40,139 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 19:24:40,139 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 19:24:40,139 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:24:40,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:24:40,140 INFO L82 PathProgramCache]: Analyzing trace with hash -769390295, now seen corresponding path program 1 times [2021-05-02 19:24:40,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:24:40,140 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255978501] [2021-05-02 19:24:40,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:24:40,150 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:24:40,151 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1035422031] [2021-05-02 19:24:40,151 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 [2021-05-02 19:24:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:24:40,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 17 conjunts are in the unsatisfiable core [2021-05-02 19:24:40,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:24:40,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 19:24:40,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:24:40,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255978501] [2021-05-02 19:24:40,282 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:24:40,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035422031] [2021-05-02 19:24:40,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035422031] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 19:24:40,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 19:24:40,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-05-02 19:24:40,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60198185] [2021-05-02 19:24:40,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-02 19:24:40,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:24:40,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-02 19:24:40,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-05-02 19:24:40,285 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-05-02 19:24:40,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:24:40,347 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2021-05-02 19:24:40,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-02 19:24:40,347 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2021-05-02 19:24:40,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:24:40,348 INFO L225 Difference]: With dead ends: 33 [2021-05-02 19:24:40,348 INFO L226 Difference]: Without dead ends: 33 [2021-05-02 19:24:40,349 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 38.6ms TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-05-02 19:24:40,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-05-02 19:24:40,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2021-05-02 19:24:40,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-05-02 19:24:40,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2021-05-02 19:24:40,352 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 17 [2021-05-02 19:24:40,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:24:40,352 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2021-05-02 19:24:40,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-05-02 19:24:40,353 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2021-05-02 19:24:40,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-05-02 19:24:40,353 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:24:40,353 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 19:24:40,561 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-05-02 19:24:40,561 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:24:40,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:24:40,562 INFO L82 PathProgramCache]: Analyzing trace with hash 921463763, now seen corresponding path program 1 times [2021-05-02 19:24:40,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:24:40,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530140538] [2021-05-02 19:24:40,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:24:40,571 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:24:40,571 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1013401493] [2021-05-02 19:24:40,572 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 [2021-05-02 19:24:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:24:40,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 36 conjunts are in the unsatisfiable core [2021-05-02 19:24:40,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:24:40,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:40,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 19:24:40,973 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:24:40,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530140538] [2021-05-02 19:24:40,973 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:24:40,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013401493] [2021-05-02 19:24:40,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013401493] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 19:24:40,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 19:24:40,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-05-02 19:24:40,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445375889] [2021-05-02 19:24:40,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-02 19:24:40,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:24:40,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-02 19:24:40,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-05-02 19:24:40,975 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 12 states, 12 states have (on average 1.5) internal successors, (18), 10 states have internal predecessors, (18), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 19:24:43,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:24:43,244 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2021-05-02 19:24:43,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-02 19:24:43,245 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 10 states have internal predecessors, (18), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2021-05-02 19:24:43,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:24:43,245 INFO L225 Difference]: With dead ends: 44 [2021-05-02 19:24:43,245 INFO L226 Difference]: Without dead ends: 44 [2021-05-02 19:24:43,246 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 97.7ms TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-05-02 19:24:43,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-05-02 19:24:43,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2021-05-02 19:24:43,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 28 states have internal predecessors, (30), 7 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2021-05-02 19:24:43,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2021-05-02 19:24:43,249 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 26 [2021-05-02 19:24:43,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:24:43,250 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2021-05-02 19:24:43,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 10 states have internal predecessors, (18), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 19:24:43,250 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2021-05-02 19:24:43,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-05-02 19:24:43,250 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:24:43,250 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 19:24:43,467 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 19:24:43,467 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:24:43,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:24:43,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1808967444, now seen corresponding path program 1 times [2021-05-02 19:24:43,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:24:43,468 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360369324] [2021-05-02 19:24:43,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:24:43,476 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:24:43,476 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2072102770] [2021-05-02 19:24:43,476 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 [2021-05-02 19:24:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:24:43,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 31 conjunts are in the unsatisfiable core [2021-05-02 19:24:43,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:24:43,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:43,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 19:24:43,710 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:24:43,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360369324] [2021-05-02 19:24:43,710 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:24:43,710 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072102770] [2021-05-02 19:24:43,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072102770] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 19:24:43,710 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 19:24:43,710 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-05-02 19:24:43,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397502791] [2021-05-02 19:24:43,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-02 19:24:43,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:24:43,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-02 19:24:43,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-05-02 19:24:43,711 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand has 12 states, 12 states have (on average 1.5) internal successors, (18), 10 states have internal predecessors, (18), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 19:24:47,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:24:47,641 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2021-05-02 19:24:47,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-02 19:24:47,642 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 10 states have internal predecessors, (18), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2021-05-02 19:24:47,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:24:47,643 INFO L225 Difference]: With dead ends: 49 [2021-05-02 19:24:47,643 INFO L226 Difference]: Without dead ends: 49 [2021-05-02 19:24:47,644 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 120.1ms TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-05-02 19:24:47,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-05-02 19:24:47,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2021-05-02 19:24:47,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 32 states have (on average 1.125) internal successors, (36), 34 states have internal predecessors, (36), 8 states have call successors, (8), 7 states have call predecessors, (8), 6 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2021-05-02 19:24:47,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2021-05-02 19:24:47,648 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 26 [2021-05-02 19:24:47,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:24:47,648 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2021-05-02 19:24:47,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 10 states have internal predecessors, (18), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-02 19:24:47,648 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2021-05-02 19:24:47,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-05-02 19:24:47,649 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:24:47,649 INFO L523 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 19:24:47,863 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 19:24:47,863 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:24:47,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:24:47,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1415101266, now seen corresponding path program 1 times [2021-05-02 19:24:47,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:24:47,864 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3313440] [2021-05-02 19:24:47,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:24:47,871 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:24:47,872 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1278046529] [2021-05-02 19:24:47,872 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 [2021-05-02 19:24:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 19:24:47,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 21 conjunts are in the unsatisfiable core [2021-05-02 19:24:47,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:24:47,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:47,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:47,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:47,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:47,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:47,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:47,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:48,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:48,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:48,071 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-02 19:24:48,072 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 19:24:48,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3313440] [2021-05-02 19:24:48,072 WARN L340 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-05-02 19:24:48,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278046529] [2021-05-02 19:24:48,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278046529] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 19:24:48,072 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-05-02 19:24:48,072 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-05-02 19:24:48,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316366369] [2021-05-02 19:24:48,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-02 19:24:48,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 19:24:48,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-02 19:24:48,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-05-02 19:24:48,073 INFO L87 Difference]: Start difference. First operand 47 states and 50 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-02 19:24:50,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 19:24:50,251 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2021-05-02 19:24:50,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-02 19:24:50,252 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 32 [2021-05-02 19:24:50,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 19:24:50,252 INFO L225 Difference]: With dead ends: 52 [2021-05-02 19:24:50,252 INFO L226 Difference]: Without dead ends: 47 [2021-05-02 19:24:50,253 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 184.8ms TimeCoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2021-05-02 19:24:50,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-05-02 19:24:50,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 38. [2021-05-02 19:24:50,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2021-05-02 19:24:50,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2021-05-02 19:24:50,256 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 32 [2021-05-02 19:24:50,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 19:24:50,256 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2021-05-02 19:24:50,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 4 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-05-02 19:24:50,256 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2021-05-02 19:24:50,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-05-02 19:24:50,256 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 19:24:50,257 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 19:24:50,468 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 19:24:50,468 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 19:24:50,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 19:24:50,468 INFO L82 PathProgramCache]: Analyzing trace with hash 154626153, now seen corresponding path program 2 times [2021-05-02 19:24:50,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 19:24:50,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879943100] [2021-05-02 19:24:50,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 19:24:50,485 ERROR L278 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-05-02 19:24:50,486 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2100855287] [2021-05-02 19:24:50,486 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 19:24:50,568 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 19:24:50,568 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 19:24:50,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 46 conjunts are in the unsatisfiable core [2021-05-02 19:24:50,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 19:24:50,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:50,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:50,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:50,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:24:56,717 WARN L205 SmtUtils]: Spent 4.02 s on a formula simplification that was a NOOP. DAG size: 22 [2021-05-02 19:25:04,777 WARN L205 SmtUtils]: Spent 6.03 s on a formula simplification that was a NOOP. DAG size: 25 [2021-05-02 19:25:16,882 WARN L205 SmtUtils]: Spent 12.07 s on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2021-05-02 19:25:27,056 WARN L205 SmtUtils]: Spent 10.14 s on a formula simplification. DAG size of input: 45 DAG size of output: 32 [2021-05-02 19:25:27,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 19:25:27,266 WARN L159 QuantifierPusher]: Ignoring assumption.