/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/mono-crafted_12.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 18:13:16,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 18:13:16,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 18:13:16,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 18:13:16,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 18:13:16,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 18:13:16,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 18:13:16,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 18:13:16,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 18:13:16,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 18:13:16,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 18:13:16,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 18:13:16,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 18:13:16,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 18:13:16,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 18:13:16,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 18:13:16,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 18:13:16,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 18:13:16,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 18:13:16,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 18:13:16,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 18:13:16,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 18:13:16,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 18:13:16,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 18:13:16,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 18:13:16,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 18:13:16,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 18:13:16,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 18:13:16,380 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 [2020-07-20 18:13:16,420 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 18:13:16,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 18:13:16,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 18:13:16,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 18:13:16,426 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 18:13:16,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 18:13:16,426 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 18:13:16,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 18:13:16,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 18:13:16,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 18:13:16,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 18:13:16,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 18:13:16,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 18:13:16,430 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 18:13:16,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 18:13:16,430 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 18:13:16,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 18:13:16,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 18:13:16,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 18:13:16,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 18:13:16,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 18:13:16,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 18:13:16,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 18:13:16,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 18:13:16,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 18:13:16,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 18:13:16,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:13:16,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 18:13:16,435 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 18:13:16,435 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 18:13:16,856 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 18:13:16,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 18:13:16,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 18:13:16,880 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 18:13:16,881 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 18:13:16,882 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/mono-crafted_12.c [2020-07-20 18:13:16,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db4b4a4df/e27de5a317fa4ede9b00e945134ad5e5/FLAG5bb6a5a1e [2020-07-20 18:13:17,683 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 18:13:17,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/mono-crafted_12.c [2020-07-20 18:13:17,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db4b4a4df/e27de5a317fa4ede9b00e945134ad5e5/FLAG5bb6a5a1e [2020-07-20 18:13:18,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db4b4a4df/e27de5a317fa4ede9b00e945134ad5e5 [2020-07-20 18:13:18,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 18:13:18,036 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 18:13:18,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 18:13:18,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 18:13:18,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 18:13:18,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 06:13:18" (1/1) ... [2020-07-20 18:13:18,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c4e2866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:13:18, skipping insertion in model container [2020-07-20 18:13:18,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 06:13:18" (1/1) ... [2020-07-20 18:13:18,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 18:13:18,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 18:13:18,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 18:13:18,367 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 18:13:18,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 18:13:18,409 INFO L208 MainTranslator]: Completed translation [2020-07-20 18:13:18,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:13:18 WrapperNode [2020-07-20 18:13:18,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 18:13:18,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 18:13:18,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 18:13:18,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 18:13:18,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:13:18" (1/1) ... [2020-07-20 18:13:18,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:13:18" (1/1) ... [2020-07-20 18:13:18,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:13:18" (1/1) ... [2020-07-20 18:13:18,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:13:18" (1/1) ... [2020-07-20 18:13:18,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:13:18" (1/1) ... [2020-07-20 18:13:18,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:13:18" (1/1) ... [2020-07-20 18:13:18,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:13:18" (1/1) ... [2020-07-20 18:13:18,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 18:13:18,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 18:13:18,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 18:13:18,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 18:13:18,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:13:18" (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 [2020-07-20 18:13:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 18:13:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 18:13:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-20 18:13:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 18:13:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 18:13:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-20 18:13:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 18:13:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 18:13:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 18:13:18,916 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 18:13:18,916 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 18:13:18,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 06:13:18 BoogieIcfgContainer [2020-07-20 18:13:18,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 18:13:18,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 18:13:18,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 18:13:18,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 18:13:18,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 06:13:18" (1/3) ... [2020-07-20 18:13:18,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3606e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 06:13:18, skipping insertion in model container [2020-07-20 18:13:18,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:13:18" (2/3) ... [2020-07-20 18:13:18,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3606e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 06:13:18, skipping insertion in model container [2020-07-20 18:13:18,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 06:13:18" (3/3) ... [2020-07-20 18:13:18,933 INFO L109 eAbstractionObserver]: Analyzing ICFG mono-crafted_12.c [2020-07-20 18:13:18,945 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 18:13:18,954 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 18:13:18,973 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 18:13:19,005 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 18:13:19,006 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 18:13:19,006 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 18:13:19,006 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 18:13:19,007 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 18:13:19,007 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 18:13:19,007 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 18:13:19,007 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 18:13:19,033 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-07-20 18:13:19,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-20 18:13:19,041 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:13:19,042 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:13:19,042 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:13:19,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:13:19,049 INFO L82 PathProgramCache]: Analyzing trace with hash -147882559, now seen corresponding path program 1 times [2020-07-20 18:13:19,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:13:19,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [369357491] [2020-07-20 18:13:19,059 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:13:19,158 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 18:13:19,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:13:19,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 18:13:19,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:13:19,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:13:19,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:13:19,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [369357491] [2020-07-20 18:13:19,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:13:19,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 18:13:19,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156087083] [2020-07-20 18:13:19,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 18:13:19,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:13:19,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 18:13:19,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 18:13:19,224 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2020-07-20 18:13:19,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:13:19,253 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2020-07-20 18:13:19,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 18:13:19,255 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-07-20 18:13:19,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:13:19,265 INFO L225 Difference]: With dead ends: 32 [2020-07-20 18:13:19,266 INFO L226 Difference]: Without dead ends: 13 [2020-07-20 18:13:19,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 18:13:19,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-07-20 18:13:19,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-07-20 18:13:19,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-07-20 18:13:19,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2020-07-20 18:13:19,325 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 10 [2020-07-20 18:13:19,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:13:19,326 INFO L479 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2020-07-20 18:13:19,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 18:13:19,326 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2020-07-20 18:13:19,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-20 18:13:19,327 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:13:19,327 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:13:19,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:13:19,542 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:13:19,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:13:19,543 INFO L82 PathProgramCache]: Analyzing trace with hash -158041290, now seen corresponding path program 1 times [2020-07-20 18:13:19,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:13:19,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1306180560] [2020-07-20 18:13:19,545 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:13:19,584 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 18:13:19,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:13:19,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 18:13:19,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:13:19,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:13:19,656 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:13:19,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1306180560] [2020-07-20 18:13:19,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:13:19,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 18:13:19,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063513089] [2020-07-20 18:13:19,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 18:13:19,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:13:19,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 18:13:19,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:13:19,666 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand 3 states. [2020-07-20 18:13:19,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:13:19,756 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2020-07-20 18:13:19,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 18:13:19,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-07-20 18:13:19,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:13:19,768 INFO L225 Difference]: With dead ends: 24 [2020-07-20 18:13:19,769 INFO L226 Difference]: Without dead ends: 16 [2020-07-20 18:13:19,770 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:13:19,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-07-20 18:13:19,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2020-07-20 18:13:19,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-20 18:13:19,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2020-07-20 18:13:19,778 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 10 [2020-07-20 18:13:19,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:13:19,784 INFO L479 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2020-07-20 18:13:19,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 18:13:19,784 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2020-07-20 18:13:19,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-20 18:13:19,785 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:13:19,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:13:20,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:13:20,001 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:13:20,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:13:20,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1776138601, now seen corresponding path program 1 times [2020-07-20 18:13:20,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:13:20,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1403964194] [2020-07-20 18:13:20,004 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:13:20,034 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 18:13:20,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:13:20,036 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 18:13:20,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:13:20,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:13:20,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 18:13:20,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:13:20,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1403964194] [2020-07-20 18:13:20,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 18:13:20,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2020-07-20 18:13:20,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001330707] [2020-07-20 18:13:20,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 18:13:20,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:13:20,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 18:13:20,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 18:13:20,235 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 7 states. [2020-07-20 18:13:20,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:13:20,440 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2020-07-20 18:13:20,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 18:13:20,441 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-07-20 18:13:20,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:13:20,443 INFO L225 Difference]: With dead ends: 31 [2020-07-20 18:13:20,443 INFO L226 Difference]: Without dead ends: 23 [2020-07-20 18:13:20,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-07-20 18:13:20,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-07-20 18:13:20,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-07-20 18:13:20,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-07-20 18:13:20,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2020-07-20 18:13:20,452 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 13 [2020-07-20 18:13:20,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:13:20,453 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2020-07-20 18:13:20,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 18:13:20,453 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2020-07-20 18:13:20,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-20 18:13:20,454 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:13:20,454 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:13:20,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:13:20,662 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:13:20,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:13:20,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1289106634, now seen corresponding path program 1 times [2020-07-20 18:13:20,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:13:20,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [504000895] [2020-07-20 18:13:20,664 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:13:20,698 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 18:13:20,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:13:20,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 18:13:20,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:13:20,738 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-20 18:13:20,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 18:13:20,808 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-20 18:13:20,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [504000895] [2020-07-20 18:13:20,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 18:13:20,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-20 18:13:20,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170509375] [2020-07-20 18:13:20,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 18:13:20,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:13:20,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 18:13:20,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 18:13:20,811 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand 8 states. [2020-07-20 18:13:23,020 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 16 DAG size of output: 11 [2020-07-20 18:13:25,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:13:25,248 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2020-07-20 18:13:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 18:13:25,250 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-07-20 18:13:25,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:13:25,255 INFO L225 Difference]: With dead ends: 43 [2020-07-20 18:13:25,255 INFO L226 Difference]: Without dead ends: 33 [2020-07-20 18:13:25,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=37, Invalid=52, Unknown=1, NotChecked=0, Total=90 [2020-07-20 18:13:25,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-20 18:13:25,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2020-07-20 18:13:25,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-20 18:13:25,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2020-07-20 18:13:25,271 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 22 [2020-07-20 18:13:25,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:13:25,272 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2020-07-20 18:13:25,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 18:13:25,272 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-07-20 18:13:25,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-20 18:13:25,273 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:13:25,273 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:13:25,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:13:25,487 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:13:25,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:13:25,487 INFO L82 PathProgramCache]: Analyzing trace with hash 92873718, now seen corresponding path program 2 times [2020-07-20 18:13:25,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:13:25,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1214836686] [2020-07-20 18:13:25,489 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:13:25,519 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 18:13:25,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:13:25,522 WARN L261 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 18:13:25,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:13:25,657 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:13:25,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 18:13:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:13:25,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1214836686] [2020-07-20 18:13:25,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 18:13:25,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2020-07-20 18:13:25,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799015097] [2020-07-20 18:13:25,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 18:13:25,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:13:25,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 18:13:25,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-07-20 18:13:25,936 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 13 states. [2020-07-20 18:13:26,400 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-20 18:13:26,617 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-07-20 18:13:30,911 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 18 [2020-07-20 18:13:31,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:13:31,073 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2020-07-20 18:13:31,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 18:13:31,075 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 22 [2020-07-20 18:13:31,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:13:31,077 INFO L225 Difference]: With dead ends: 46 [2020-07-20 18:13:31,077 INFO L226 Difference]: Without dead ends: 41 [2020-07-20 18:13:31,078 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2020-07-20 18:13:31,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-07-20 18:13:31,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-07-20 18:13:31,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-07-20 18:13:31,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2020-07-20 18:13:31,087 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 22 [2020-07-20 18:13:31,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:13:31,088 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2020-07-20 18:13:31,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 18:13:31,088 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2020-07-20 18:13:31,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-20 18:13:31,090 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:13:31,090 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:13:31,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:13:31,295 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:13:31,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:13:31,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1362713706, now seen corresponding path program 2 times [2020-07-20 18:13:31,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:13:31,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [217327770] [2020-07-20 18:13:31,297 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:13:31,341 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 18:13:31,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:13:31,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 18:13:31,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:13:31,425 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 73 proven. 57 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 18:13:31,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 18:13:31,714 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 73 proven. 57 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 18:13:31,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [217327770] [2020-07-20 18:13:31,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 18:13:31,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2020-07-20 18:13:31,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598642208] [2020-07-20 18:13:31,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-20 18:13:31,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:13:31,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-20 18:13:31,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2020-07-20 18:13:31,718 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 16 states. [2020-07-20 18:13:34,352 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 36 DAG size of output: 11 [2020-07-20 18:13:36,724 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 11 [2020-07-20 18:13:39,650 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 11 [2020-07-20 18:13:46,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:13:46,516 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions. [2020-07-20 18:13:46,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 18:13:46,518 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 40 [2020-07-20 18:13:46,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:13:46,520 INFO L225 Difference]: With dead ends: 75 [2020-07-20 18:13:46,520 INFO L226 Difference]: Without dead ends: 59 [2020-07-20 18:13:46,521 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=172, Invalid=288, Unknown=2, NotChecked=0, Total=462 [2020-07-20 18:13:46,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-07-20 18:13:46,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 54. [2020-07-20 18:13:46,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-07-20 18:13:46,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2020-07-20 18:13:46,533 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 40 [2020-07-20 18:13:46,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:13:46,534 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2020-07-20 18:13:46,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-20 18:13:46,534 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2020-07-20 18:13:46,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-20 18:13:46,536 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:13:46,536 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:13:46,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:13:46,744 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:13:46,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:13:46,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1588607722, now seen corresponding path program 3 times [2020-07-20 18:13:46,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:13:46,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1122029434] [2020-07-20 18:13:46,746 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:13:46,781 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 18:13:46,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:13:46,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 26 conjunts are in the unsatisfiable core [2020-07-20 18:13:46,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:13:46,981 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:13:46,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 18:13:47,632 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:13:47,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1122029434] [2020-07-20 18:13:47,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 18:13:47,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 25 [2020-07-20 18:13:47,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018486891] [2020-07-20 18:13:47,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-20 18:13:47,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:13:47,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-20 18:13:47,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=420, Unknown=0, NotChecked=0, Total=600 [2020-07-20 18:13:47,636 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand 25 states. [2020-07-20 18:14:05,702 WARN L193 SmtUtils]: Spent 17.51 s on a formula simplification that was a NOOP. DAG size: 58 [2020-07-20 18:14:26,724 WARN L193 SmtUtils]: Spent 16.46 s on a formula simplification that was a NOOP. DAG size: 53 [2020-07-20 18:14:33,199 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod c_main_~x~0 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0))) is different from false [2020-07-20 18:14:35,216 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0))) is different from false [2020-07-20 18:14:45,862 WARN L193 SmtUtils]: Spent 9.14 s on a formula simplification that was a NOOP. DAG size: 43 [2020-07-20 18:14:55,387 WARN L193 SmtUtils]: Spent 4.11 s on a formula simplification that was a NOOP. DAG size: 38 [2020-07-20 18:15:00,263 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 33 [2020-07-20 18:15:02,904 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-20 18:15:05,379 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 23 [2020-07-20 18:15:11,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:15:11,895 INFO L93 Difference]: Finished difference Result 83 states and 102 transitions. [2020-07-20 18:15:11,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-20 18:15:11,896 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 40 [2020-07-20 18:15:11,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:15:11,900 INFO L225 Difference]: With dead ends: 83 [2020-07-20 18:15:11,900 INFO L226 Difference]: Without dead ends: 78 [2020-07-20 18:15:11,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 69.0s TimeCoverageRelationStatistics Valid=394, Invalid=732, Unknown=4, NotChecked=130, Total=1260 [2020-07-20 18:15:11,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-07-20 18:15:11,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2020-07-20 18:15:11,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-20 18:15:11,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 85 transitions. [2020-07-20 18:15:11,917 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 85 transitions. Word has length 40 [2020-07-20 18:15:11,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:15:11,918 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 85 transitions. [2020-07-20 18:15:11,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-20 18:15:11,918 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2020-07-20 18:15:11,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-20 18:15:11,920 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:15:11,920 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:15:12,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:15:12,130 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:15:12,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:15:12,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1251792523, now seen corresponding path program 3 times [2020-07-20 18:15:12,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:15:12,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1711031113] [2020-07-20 18:15:12,132 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:15:12,187 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 18:15:12,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:15:12,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 31 conjunts are in the unsatisfiable core [2020-07-20 18:15:12,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:15:12,404 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 29 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:15:12,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 18:15:17,506 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 29 proven. 296 refuted. 5 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:15:17,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1711031113] [2020-07-20 18:15:17,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 18:15:17,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2020-07-20 18:15:17,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805423958] [2020-07-20 18:15:17,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-07-20 18:15:17,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:15:17,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-07-20 18:15:17,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=704, Unknown=2, NotChecked=0, Total=992 [2020-07-20 18:15:17,511 INFO L87 Difference]: Start difference. First operand 77 states and 85 transitions. Second operand 32 states. [2020-07-20 18:15:22,365 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 76 DAG size of output: 11 [2020-07-20 18:15:28,678 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 71 DAG size of output: 11 [2020-07-20 18:15:37,334 WARN L193 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 66 DAG size of output: 11 [2020-07-20 18:15:49,867 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 61 DAG size of output: 11 [2020-07-20 18:16:01,811 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 11 [2020-07-20 18:16:10,062 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 51 DAG size of output: 11 [2020-07-20 18:16:23,222 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 11 [2020-07-20 18:16:40,114 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 41 DAG size of output: 11 [2020-07-20 18:16:52,298 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 11 [2020-07-20 18:17:17,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:17:17,871 INFO L93 Difference]: Finished difference Result 119 states and 145 transitions. [2020-07-20 18:17:17,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-20 18:17:17,872 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 55 [2020-07-20 18:17:17,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:17:17,874 INFO L225 Difference]: With dead ends: 119 [2020-07-20 18:17:17,874 INFO L226 Difference]: Without dead ends: 111 [2020-07-20 18:17:17,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 118.4s TimeCoverageRelationStatistics Valid=727, Invalid=1321, Unknown=22, NotChecked=0, Total=2070 [2020-07-20 18:17:17,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-07-20 18:17:17,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 102. [2020-07-20 18:17:17,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-07-20 18:17:17,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 111 transitions. [2020-07-20 18:17:17,888 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 111 transitions. Word has length 55 [2020-07-20 18:17:17,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:17:17,889 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 111 transitions. [2020-07-20 18:17:17,889 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-07-20 18:17:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 111 transitions. [2020-07-20 18:17:17,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-20 18:17:17,891 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:17:17,891 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:17:18,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:17:18,103 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:17:18,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:17:18,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1507791018, now seen corresponding path program 4 times [2020-07-20 18:17:18,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:17:18,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754939762] [2020-07-20 18:17:18,106 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:17:18,150 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 18:17:18,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:17:18,152 WARN L261 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 50 conjunts are in the unsatisfiable core [2020-07-20 18:17:18,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:17:18,698 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:17:18,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 18:17:20,787 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:17:20,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754939762] [2020-07-20 18:17:20,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 18:17:20,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 26] total 49 [2020-07-20 18:17:20,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123387053] [2020-07-20 18:17:20,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-07-20 18:17:20,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:17:20,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-07-20 18:17:20,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=648, Invalid=1704, Unknown=0, NotChecked=0, Total=2352 [2020-07-20 18:17:20,792 INFO L87 Difference]: Start difference. First operand 102 states and 111 transitions. Second operand 49 states. [2020-07-20 18:17:24,035 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 11) 4294967296) .cse0) (< (mod (+ c_main_~x~0 20) 4294967296) .cse0) (< (mod (+ c_main_~x~0 21) 4294967296) .cse0) (< (mod (+ c_main_~x~0 22) 4294967296) .cse0) (< (mod (+ c_main_~x~0 16) 4294967296) .cse0) (< (mod (+ c_main_~x~0 10) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 19) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 15) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 9) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 14) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod (+ c_main_~x~0 17) 4294967296) .cse0) (< (mod c_main_~x~0 4294967296) .cse0) (< (mod (+ c_main_~x~0 13) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 18) 4294967296) .cse0) (< (mod (+ c_main_~x~0 12) 4294967296) .cse0))) is different from false [2020-07-20 18:17:26,073 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 11) 4294967296) .cse0) (< (mod (+ c_main_~x~0 20) 4294967296) .cse0) (< (mod (+ c_main_~x~0 21) 4294967296) .cse0) (< (mod (+ c_main_~x~0 22) 4294967296) .cse0) (< (mod (+ c_main_~x~0 16) 4294967296) .cse0) (< (mod (+ c_main_~x~0 10) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 19) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 15) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 9) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 14) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod (+ c_main_~x~0 17) 4294967296) .cse0) (< (mod (+ c_main_~x~0 13) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 18) 4294967296) .cse0) (< (mod (+ c_main_~x~0 12) 4294967296) .cse0))) is different from false [2020-07-20 18:17:28,084 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 11) 4294967296) .cse0) (< (mod (+ c_main_~x~0 20) 4294967296) .cse0) (< (mod (+ c_main_~x~0 21) 4294967296) .cse0) (< (mod (+ c_main_~x~0 16) 4294967296) .cse0) (< (mod (+ c_main_~x~0 10) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 19) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 15) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 9) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 14) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod (+ c_main_~x~0 17) 4294967296) .cse0) (< (mod c_main_~x~0 4294967296) .cse0) (< (mod (+ c_main_~x~0 13) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 18) 4294967296) .cse0) (< (mod (+ c_main_~x~0 12) 4294967296) .cse0))) is different from false [2020-07-20 18:17:30,161 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 11) 4294967296) .cse0) (< (mod (+ c_main_~x~0 20) 4294967296) .cse0) (< (mod (+ c_main_~x~0 21) 4294967296) .cse0) (< (mod (+ c_main_~x~0 16) 4294967296) .cse0) (< (mod (+ c_main_~x~0 10) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 19) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 15) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 9) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 14) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod (+ c_main_~x~0 17) 4294967296) .cse0) (< (mod (+ c_main_~x~0 13) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 18) 4294967296) .cse0) (< (mod (+ c_main_~x~0 12) 4294967296) .cse0))) is different from false [2020-07-20 18:17:32,196 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 11) 4294967296) .cse0) (< (mod (+ c_main_~x~0 20) 4294967296) .cse0) (< (mod (+ c_main_~x~0 16) 4294967296) .cse0) (< (mod (+ c_main_~x~0 10) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 19) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 15) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 9) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 14) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod (+ c_main_~x~0 17) 4294967296) .cse0) (< (mod c_main_~x~0 4294967296) .cse0) (< (mod (+ c_main_~x~0 13) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 18) 4294967296) .cse0) (< (mod (+ c_main_~x~0 12) 4294967296) .cse0))) is different from false [2020-07-20 18:17:34,210 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 11) 4294967296) .cse0) (< (mod (+ c_main_~x~0 20) 4294967296) .cse0) (< (mod (+ c_main_~x~0 16) 4294967296) .cse0) (< (mod (+ c_main_~x~0 10) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 19) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 15) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 9) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 14) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod (+ c_main_~x~0 17) 4294967296) .cse0) (< (mod (+ c_main_~x~0 13) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 18) 4294967296) .cse0) (< (mod (+ c_main_~x~0 12) 4294967296) .cse0))) is different from false [2020-07-20 18:19:00,821 WARN L193 SmtUtils]: Spent 1.12 m on a formula simplification that was a NOOP. DAG size: 103 [2020-07-20 18:19:25,534 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 11) 4294967296) .cse0) (< (mod (+ c_main_~x~0 16) 4294967296) .cse0) (< (mod (+ c_main_~x~0 10) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 15) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 9) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 14) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod (+ c_main_~x~0 17) 4294967296) .cse0) (< (mod c_main_~x~0 4294967296) .cse0) (< (mod (+ c_main_~x~0 13) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 18) 4294967296) .cse0) (< (mod (+ c_main_~x~0 12) 4294967296) .cse0))) is different from false [2020-07-20 18:19:27,570 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 11) 4294967296) .cse0) (< (mod (+ c_main_~x~0 16) 4294967296) .cse0) (< (mod (+ c_main_~x~0 10) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 15) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 9) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 14) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod (+ c_main_~x~0 17) 4294967296) .cse0) (< (mod (+ c_main_~x~0 13) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 18) 4294967296) .cse0) (< (mod (+ c_main_~x~0 12) 4294967296) .cse0))) is different from false [2020-07-20 18:19:29,591 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 11) 4294967296) .cse0) (< (mod (+ c_main_~x~0 16) 4294967296) .cse0) (< (mod (+ c_main_~x~0 10) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 15) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 9) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 14) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod (+ c_main_~x~0 17) 4294967296) .cse0) (< (mod c_main_~x~0 4294967296) .cse0) (< (mod (+ c_main_~x~0 13) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 12) 4294967296) .cse0))) is different from false [2020-07-20 18:19:31,605 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 11) 4294967296) .cse0) (< (mod (+ c_main_~x~0 16) 4294967296) .cse0) (< (mod (+ c_main_~x~0 10) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 15) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 9) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 14) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod (+ c_main_~x~0 17) 4294967296) .cse0) (< (mod (+ c_main_~x~0 13) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 12) 4294967296) .cse0))) is different from false [2020-07-20 18:19:33,612 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 11) 4294967296) .cse0) (< (mod (+ c_main_~x~0 16) 4294967296) .cse0) (< (mod (+ c_main_~x~0 10) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 15) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 9) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 14) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod c_main_~x~0 4294967296) .cse0) (< (mod (+ c_main_~x~0 13) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 12) 4294967296) .cse0))) is different from false [2020-07-20 18:19:35,645 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 11) 4294967296) .cse0) (< (mod (+ c_main_~x~0 16) 4294967296) .cse0) (< (mod (+ c_main_~x~0 10) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 15) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 9) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 14) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod (+ c_main_~x~0 13) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 12) 4294967296) .cse0))) is different from false [2020-07-20 18:19:37,669 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 11) 4294967296) .cse0) (< (mod (+ c_main_~x~0 10) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 15) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 9) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 14) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod c_main_~x~0 4294967296) .cse0) (< (mod (+ c_main_~x~0 13) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 12) 4294967296) .cse0))) is different from false [2020-07-20 18:19:39,688 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 11) 4294967296) .cse0) (< (mod (+ c_main_~x~0 10) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 15) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 9) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 14) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod (+ c_main_~x~0 13) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 12) 4294967296) .cse0))) is different from false [2020-07-20 18:20:56,767 WARN L193 SmtUtils]: Spent 48.58 s on a formula simplification that was a NOOP. DAG size: 78 [2020-07-20 18:22:44,316 WARN L193 SmtUtils]: Spent 27.51 s on a formula simplification that was a NOOP. DAG size: 73 [2020-07-20 18:23:16,169 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 11) 4294967296) .cse0) (< (mod (+ c_main_~x~0 10) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 9) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod c_main_~x~0 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 12) 4294967296) .cse0))) is different from false [2020-07-20 18:23:18,209 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 11) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod (+ c_main_~x~0 10) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 12) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 9) 4294967296) .cse0))) is different from false [2020-07-20 18:23:20,240 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 11) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod (+ c_main_~x~0 10) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod c_main_~x~0 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 9) 4294967296) .cse0))) is different from false [2020-07-20 18:23:22,261 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 11) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod (+ c_main_~x~0 10) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 8) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0) (< (mod (+ c_main_~x~0 9) 4294967296) .cse0))) is different from false [2020-07-20 18:24:12,922 WARN L193 SmtUtils]: Spent 28.10 s on a formula simplification that was a NOOP. DAG size: 58 [2020-07-20 18:25:08,806 WARN L193 SmtUtils]: Spent 15.25 s on a formula simplification that was a NOOP. DAG size: 53 [2020-07-20 18:25:49,429 WARN L193 SmtUtils]: Spent 10.46 s on a formula simplification that was a NOOP. DAG size: 48 [2020-07-20 18:26:00,887 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (< (mod (+ c_main_~x~0 6) 4294967296) .cse0) (< (mod (+ c_main_~x~0 3) 4294967296) .cse0) (< (mod (+ c_main_~x~0 2) 4294967296) .cse0) (< (mod (+ c_main_~x~0 5) 4294967296) .cse0) (< (mod c_main_~x~0 4294967296) .cse0) (< (mod (+ c_main_~x~0 4) 4294967296) .cse0) (< (mod (+ c_main_~x~0 7) 4294967296) .cse0) (< (mod (+ c_main_~x~0 1) 4294967296) .cse0))) is different from false [2020-07-20 18:26:16,430 WARN L193 SmtUtils]: Spent 6.48 s on a formula simplification that was a NOOP. DAG size: 40 [2020-07-20 18:26:26,635 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 38 [2020-07-20 18:26:35,255 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 33 [2020-07-20 18:26:39,857 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-07-20 18:26:51,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:26:51,637 INFO L93 Difference]: Finished difference Result 155 states and 194 transitions. [2020-07-20 18:26:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-07-20 18:26:51,639 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 76 [2020-07-20 18:26:51,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:26:51,641 INFO L225 Difference]: With dead ends: 155 [2020-07-20 18:26:51,641 INFO L226 Difference]: Without dead ends: 150 [2020-07-20 18:26:51,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 79 ConstructedPredicates, 19 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 417.6s TimeCoverageRelationStatistics Valid=1196, Invalid=2590, Unknown=72, NotChecked=2622, Total=6480 [2020-07-20 18:26:51,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-07-20 18:26:51,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 149. [2020-07-20 18:26:51,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-07-20 18:26:51,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 165 transitions. [2020-07-20 18:26:51,665 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 165 transitions. Word has length 76 [2020-07-20 18:26:51,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:26:51,665 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 165 transitions. [2020-07-20 18:26:51,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-07-20 18:26:51,666 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 165 transitions. [2020-07-20 18:26:51,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 18:26:51,667 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:26:51,668 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:26:51,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:26:51,871 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:26:51,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:26:51,872 INFO L82 PathProgramCache]: Analyzing trace with hash -242211211, now seen corresponding path program 4 times [2020-07-20 18:26:51,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:26:51,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [648812571] [2020-07-20 18:26:51,873 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:26:51,920 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 18:26:51,921 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:26:51,923 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 63 conjunts are in the unsatisfiable core [2020-07-20 18:26:51,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:26:52,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 61 proven. 1365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:26:52,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 18:27:07,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 61 proven. 1357 refuted. 8 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:27:07,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [648812571] [2020-07-20 18:27:07,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 18:27:07,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 64 [2020-07-20 18:27:07,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118876119] [2020-07-20 18:27:07,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 64 states [2020-07-20 18:27:07,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:27:07,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2020-07-20 18:27:07,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1086, Invalid=2941, Unknown=5, NotChecked=0, Total=4032 [2020-07-20 18:27:07,837 INFO L87 Difference]: Start difference. First operand 149 states and 165 transitions. Second operand 64 states. [2020-07-20 18:27:12,014 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 7) 4294967296) 5000000) (< (mod (+ c_main_~x~0 28) 4294967296) 5000000) (< (mod (+ c_main_~x~0 24) 4294967296) 5000000) (< (mod (+ c_main_~x~0 29) 4294967296) 5000000) (< (mod (+ c_main_~x~0 16) 4294967296) 5000000) (< (mod (+ c_main_~x~0 26) 4294967296) 5000000) (< (mod (+ c_main_~x~0 18) 4294967296) 5000000) (< (mod (+ c_main_~x~0 2) 4294967296) 5000000) (< (mod c_main_~x~0 4294967296) 5000000) (< (mod (+ c_main_~x~0 17) 4294967296) 5000000) (< (mod (+ c_main_~x~0 3) 4294967296) 5000000) (< (mod (+ c_main_~x~0 9) 4294967296) 5000000) (< (mod (+ c_main_~x~0 23) 4294967296) 5000000) (< (mod (+ c_main_~x~0 30) 4294967296) 5000000) (< (mod (+ c_main_~x~0 11) 4294967296) 5000000) (< (mod (+ c_main_~x~0 20) 4294967296) 5000000) (< (mod (+ c_main_~x~0 6) 4294967296) 5000000) (< (mod (+ c_main_~x~0 25) 4294967296) 5000000) (< (mod (+ c_main_~x~0 4) 4294967296) 5000000) (< (mod (+ c_main_~x~0 27) 4294967296) 5000000) (< (mod (+ c_main_~x~0 21) 4294967296) 5000000) (< (mod (+ c_main_~x~0 22) 4294967296) 5000000) (< (mod (+ c_main_~x~0 8) 4294967296) 5000000) (< (mod (+ c_main_~x~0 14) 4294967296) 5000000) (< (mod (+ c_main_~x~0 12) 4294967296) 5000000) (< (mod (+ c_main_~x~0 13) 4294967296) 5000000) (< (mod (+ c_main_~x~0 15) 4294967296) 5000000) (< (mod (+ c_main_~x~0 10) 4294967296) 5000000) (< (mod (+ c_main_~x~0 19) 4294967296) 5000000) (< (mod (+ c_main_~x~0 1) 4294967296) 5000000) (< (mod (+ c_main_~x~0 5) 4294967296) 5000000)) is different from false [2020-07-20 18:27:14,028 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 7) 4294967296) 5000000) (< (mod (+ c_main_~x~0 28) 4294967296) 5000000) (< (mod (+ c_main_~x~0 24) 4294967296) 5000000) (< (mod (+ c_main_~x~0 29) 4294967296) 5000000) (< (mod (+ c_main_~x~0 16) 4294967296) 5000000) (< (mod (+ c_main_~x~0 26) 4294967296) 5000000) (< (mod (+ c_main_~x~0 18) 4294967296) 5000000) (< (mod (+ c_main_~x~0 2) 4294967296) 5000000) (< (mod (+ c_main_~x~0 17) 4294967296) 5000000) (< (mod (+ c_main_~x~0 3) 4294967296) 5000000) (< (mod (+ c_main_~x~0 9) 4294967296) 5000000) (< (mod (+ c_main_~x~0 23) 4294967296) 5000000) (< (mod (+ c_main_~x~0 30) 4294967296) 5000000) (< (mod (+ c_main_~x~0 11) 4294967296) 5000000) (< (mod (+ c_main_~x~0 20) 4294967296) 5000000) (< (mod (+ c_main_~x~0 6) 4294967296) 5000000) (< (mod (+ c_main_~x~0 25) 4294967296) 5000000) (< (mod (+ c_main_~x~0 4) 4294967296) 5000000) (< (mod (+ c_main_~x~0 27) 4294967296) 5000000) (< (mod (+ c_main_~x~0 21) 4294967296) 5000000) (< (mod (+ c_main_~x~0 22) 4294967296) 5000000) (< (mod (+ c_main_~x~0 8) 4294967296) 5000000) (< (mod (+ c_main_~x~0 14) 4294967296) 5000000) (< (mod (+ c_main_~x~0 12) 4294967296) 5000000) (< (mod (+ c_main_~x~0 13) 4294967296) 5000000) (< (mod (+ c_main_~x~0 15) 4294967296) 5000000) (< (mod (+ c_main_~x~0 10) 4294967296) 5000000) (< (mod (+ c_main_~x~0 19) 4294967296) 5000000) (< (mod (+ c_main_~x~0 1) 4294967296) 5000000) (< (mod (+ c_main_~x~0 5) 4294967296) 5000000)) is different from false [2020-07-20 18:27:16,040 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 7) 4294967296) 5000000) (< (mod (+ c_main_~x~0 28) 4294967296) 5000000) (< (mod (+ c_main_~x~0 24) 4294967296) 5000000) (< (mod (+ c_main_~x~0 29) 4294967296) 5000000) (< (mod (+ c_main_~x~0 16) 4294967296) 5000000) (< (mod (+ c_main_~x~0 26) 4294967296) 5000000) (< (mod (+ c_main_~x~0 18) 4294967296) 5000000) (< (mod (+ c_main_~x~0 2) 4294967296) 5000000) (< (mod c_main_~x~0 4294967296) 5000000) (< (mod (+ c_main_~x~0 17) 4294967296) 5000000) (< (mod (+ c_main_~x~0 3) 4294967296) 5000000) (< (mod (+ c_main_~x~0 9) 4294967296) 5000000) (< (mod (+ c_main_~x~0 23) 4294967296) 5000000) (< (mod (+ c_main_~x~0 11) 4294967296) 5000000) (< (mod (+ c_main_~x~0 20) 4294967296) 5000000) (< (mod (+ c_main_~x~0 6) 4294967296) 5000000) (< (mod (+ c_main_~x~0 25) 4294967296) 5000000) (< (mod (+ c_main_~x~0 4) 4294967296) 5000000) (< (mod (+ c_main_~x~0 27) 4294967296) 5000000) (< (mod (+ c_main_~x~0 21) 4294967296) 5000000) (< (mod (+ c_main_~x~0 22) 4294967296) 5000000) (< (mod (+ c_main_~x~0 8) 4294967296) 5000000) (< (mod (+ c_main_~x~0 14) 4294967296) 5000000) (< (mod (+ c_main_~x~0 12) 4294967296) 5000000) (< (mod (+ c_main_~x~0 13) 4294967296) 5000000) (< (mod (+ c_main_~x~0 15) 4294967296) 5000000) (< (mod (+ c_main_~x~0 10) 4294967296) 5000000) (< (mod (+ c_main_~x~0 19) 4294967296) 5000000) (< (mod (+ c_main_~x~0 1) 4294967296) 5000000) (< (mod (+ c_main_~x~0 5) 4294967296) 5000000)) is different from false [2020-07-20 18:27:18,050 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 7) 4294967296) 5000000) (< (mod (+ c_main_~x~0 28) 4294967296) 5000000) (< (mod (+ c_main_~x~0 24) 4294967296) 5000000) (< (mod (+ c_main_~x~0 29) 4294967296) 5000000) (< (mod (+ c_main_~x~0 16) 4294967296) 5000000) (< (mod (+ c_main_~x~0 26) 4294967296) 5000000) (< (mod (+ c_main_~x~0 18) 4294967296) 5000000) (< (mod (+ c_main_~x~0 2) 4294967296) 5000000) (< (mod (+ c_main_~x~0 17) 4294967296) 5000000) (< (mod (+ c_main_~x~0 3) 4294967296) 5000000) (< (mod (+ c_main_~x~0 9) 4294967296) 5000000) (< (mod (+ c_main_~x~0 23) 4294967296) 5000000) (< (mod (+ c_main_~x~0 11) 4294967296) 5000000) (< (mod (+ c_main_~x~0 20) 4294967296) 5000000) (< (mod (+ c_main_~x~0 6) 4294967296) 5000000) (< (mod (+ c_main_~x~0 25) 4294967296) 5000000) (< (mod (+ c_main_~x~0 4) 4294967296) 5000000) (< (mod (+ c_main_~x~0 27) 4294967296) 5000000) (< (mod (+ c_main_~x~0 21) 4294967296) 5000000) (< (mod (+ c_main_~x~0 22) 4294967296) 5000000) (< (mod (+ c_main_~x~0 8) 4294967296) 5000000) (< (mod (+ c_main_~x~0 14) 4294967296) 5000000) (< (mod (+ c_main_~x~0 12) 4294967296) 5000000) (< (mod (+ c_main_~x~0 13) 4294967296) 5000000) (< (mod (+ c_main_~x~0 15) 4294967296) 5000000) (< (mod (+ c_main_~x~0 10) 4294967296) 5000000) (< (mod (+ c_main_~x~0 19) 4294967296) 5000000) (< (mod (+ c_main_~x~0 1) 4294967296) 5000000) (< (mod (+ c_main_~x~0 5) 4294967296) 5000000)) is different from false [2020-07-20 18:27:20,063 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 7) 4294967296) 5000000) (< (mod (+ c_main_~x~0 28) 4294967296) 5000000) (< (mod (+ c_main_~x~0 24) 4294967296) 5000000) (< (mod (+ c_main_~x~0 16) 4294967296) 5000000) (< (mod (+ c_main_~x~0 26) 4294967296) 5000000) (< (mod (+ c_main_~x~0 18) 4294967296) 5000000) (< (mod (+ c_main_~x~0 2) 4294967296) 5000000) (< (mod c_main_~x~0 4294967296) 5000000) (< (mod (+ c_main_~x~0 17) 4294967296) 5000000) (< (mod (+ c_main_~x~0 3) 4294967296) 5000000) (< (mod (+ c_main_~x~0 9) 4294967296) 5000000) (< (mod (+ c_main_~x~0 23) 4294967296) 5000000) (< (mod (+ c_main_~x~0 11) 4294967296) 5000000) (< (mod (+ c_main_~x~0 20) 4294967296) 5000000) (< (mod (+ c_main_~x~0 6) 4294967296) 5000000) (< (mod (+ c_main_~x~0 25) 4294967296) 5000000) (< (mod (+ c_main_~x~0 4) 4294967296) 5000000) (< (mod (+ c_main_~x~0 27) 4294967296) 5000000) (< (mod (+ c_main_~x~0 21) 4294967296) 5000000) (< (mod (+ c_main_~x~0 22) 4294967296) 5000000) (< (mod (+ c_main_~x~0 8) 4294967296) 5000000) (< (mod (+ c_main_~x~0 14) 4294967296) 5000000) (< (mod (+ c_main_~x~0 12) 4294967296) 5000000) (< (mod (+ c_main_~x~0 13) 4294967296) 5000000) (< (mod (+ c_main_~x~0 15) 4294967296) 5000000) (< (mod (+ c_main_~x~0 10) 4294967296) 5000000) (< (mod (+ c_main_~x~0 19) 4294967296) 5000000) (< (mod (+ c_main_~x~0 1) 4294967296) 5000000) (< (mod (+ c_main_~x~0 5) 4294967296) 5000000)) is different from false [2020-07-20 18:27:22,074 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 7) 4294967296) 5000000) (< (mod (+ c_main_~x~0 28) 4294967296) 5000000) (< (mod (+ c_main_~x~0 24) 4294967296) 5000000) (< (mod (+ c_main_~x~0 16) 4294967296) 5000000) (< (mod (+ c_main_~x~0 26) 4294967296) 5000000) (< (mod (+ c_main_~x~0 18) 4294967296) 5000000) (< (mod (+ c_main_~x~0 2) 4294967296) 5000000) (< (mod (+ c_main_~x~0 17) 4294967296) 5000000) (< (mod (+ c_main_~x~0 3) 4294967296) 5000000) (< (mod (+ c_main_~x~0 9) 4294967296) 5000000) (< (mod (+ c_main_~x~0 23) 4294967296) 5000000) (< (mod (+ c_main_~x~0 11) 4294967296) 5000000) (< (mod (+ c_main_~x~0 20) 4294967296) 5000000) (< (mod (+ c_main_~x~0 6) 4294967296) 5000000) (< (mod (+ c_main_~x~0 25) 4294967296) 5000000) (< (mod (+ c_main_~x~0 4) 4294967296) 5000000) (< (mod (+ c_main_~x~0 27) 4294967296) 5000000) (< (mod (+ c_main_~x~0 21) 4294967296) 5000000) (< (mod (+ c_main_~x~0 22) 4294967296) 5000000) (< (mod (+ c_main_~x~0 8) 4294967296) 5000000) (< (mod (+ c_main_~x~0 14) 4294967296) 5000000) (< (mod (+ c_main_~x~0 12) 4294967296) 5000000) (< (mod (+ c_main_~x~0 13) 4294967296) 5000000) (< (mod (+ c_main_~x~0 15) 4294967296) 5000000) (< (mod (+ c_main_~x~0 10) 4294967296) 5000000) (< (mod (+ c_main_~x~0 19) 4294967296) 5000000) (< (mod (+ c_main_~x~0 1) 4294967296) 5000000) (< (mod (+ c_main_~x~0 5) 4294967296) 5000000)) is different from false [2020-07-20 18:27:24,086 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 7) 4294967296) 5000000) (< (mod (+ c_main_~x~0 24) 4294967296) 5000000) (< (mod (+ c_main_~x~0 16) 4294967296) 5000000) (< (mod (+ c_main_~x~0 26) 4294967296) 5000000) (< (mod (+ c_main_~x~0 18) 4294967296) 5000000) (< (mod (+ c_main_~x~0 2) 4294967296) 5000000) (< (mod c_main_~x~0 4294967296) 5000000) (< (mod (+ c_main_~x~0 17) 4294967296) 5000000) (< (mod (+ c_main_~x~0 3) 4294967296) 5000000) (< (mod (+ c_main_~x~0 9) 4294967296) 5000000) (< (mod (+ c_main_~x~0 23) 4294967296) 5000000) (< (mod (+ c_main_~x~0 11) 4294967296) 5000000) (< (mod (+ c_main_~x~0 20) 4294967296) 5000000) (< (mod (+ c_main_~x~0 6) 4294967296) 5000000) (< (mod (+ c_main_~x~0 25) 4294967296) 5000000) (< (mod (+ c_main_~x~0 4) 4294967296) 5000000) (< (mod (+ c_main_~x~0 27) 4294967296) 5000000) (< (mod (+ c_main_~x~0 21) 4294967296) 5000000) (< (mod (+ c_main_~x~0 22) 4294967296) 5000000) (< (mod (+ c_main_~x~0 8) 4294967296) 5000000) (< (mod (+ c_main_~x~0 14) 4294967296) 5000000) (< (mod (+ c_main_~x~0 12) 4294967296) 5000000) (< (mod (+ c_main_~x~0 13) 4294967296) 5000000) (< (mod (+ c_main_~x~0 15) 4294967296) 5000000) (< (mod (+ c_main_~x~0 10) 4294967296) 5000000) (< (mod (+ c_main_~x~0 19) 4294967296) 5000000) (< (mod (+ c_main_~x~0 1) 4294967296) 5000000) (< (mod (+ c_main_~x~0 5) 4294967296) 5000000)) is different from false [2020-07-20 18:27:26,095 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 7) 4294967296) 5000000) (< (mod (+ c_main_~x~0 24) 4294967296) 5000000) (< (mod (+ c_main_~x~0 16) 4294967296) 5000000) (< (mod (+ c_main_~x~0 26) 4294967296) 5000000) (< (mod (+ c_main_~x~0 18) 4294967296) 5000000) (< (mod (+ c_main_~x~0 2) 4294967296) 5000000) (< (mod (+ c_main_~x~0 17) 4294967296) 5000000) (< (mod (+ c_main_~x~0 3) 4294967296) 5000000) (< (mod (+ c_main_~x~0 9) 4294967296) 5000000) (< (mod (+ c_main_~x~0 23) 4294967296) 5000000) (< (mod (+ c_main_~x~0 11) 4294967296) 5000000) (< (mod (+ c_main_~x~0 20) 4294967296) 5000000) (< (mod (+ c_main_~x~0 6) 4294967296) 5000000) (< (mod (+ c_main_~x~0 25) 4294967296) 5000000) (< (mod (+ c_main_~x~0 4) 4294967296) 5000000) (< (mod (+ c_main_~x~0 27) 4294967296) 5000000) (< (mod (+ c_main_~x~0 21) 4294967296) 5000000) (< (mod (+ c_main_~x~0 22) 4294967296) 5000000) (< (mod (+ c_main_~x~0 8) 4294967296) 5000000) (< (mod (+ c_main_~x~0 14) 4294967296) 5000000) (< (mod (+ c_main_~x~0 12) 4294967296) 5000000) (< (mod (+ c_main_~x~0 13) 4294967296) 5000000) (< (mod (+ c_main_~x~0 15) 4294967296) 5000000) (< (mod (+ c_main_~x~0 10) 4294967296) 5000000) (< (mod (+ c_main_~x~0 19) 4294967296) 5000000) (< (mod (+ c_main_~x~0 1) 4294967296) 5000000) (< (mod (+ c_main_~x~0 5) 4294967296) 5000000)) is different from false [2020-07-20 18:27:28,105 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 7) 4294967296) 5000000) (< (mod (+ c_main_~x~0 24) 4294967296) 5000000) (< (mod (+ c_main_~x~0 16) 4294967296) 5000000) (< (mod (+ c_main_~x~0 26) 4294967296) 5000000) (< (mod (+ c_main_~x~0 18) 4294967296) 5000000) (< (mod (+ c_main_~x~0 2) 4294967296) 5000000) (< (mod c_main_~x~0 4294967296) 5000000) (< (mod (+ c_main_~x~0 17) 4294967296) 5000000) (< (mod (+ c_main_~x~0 3) 4294967296) 5000000) (< (mod (+ c_main_~x~0 9) 4294967296) 5000000) (< (mod (+ c_main_~x~0 23) 4294967296) 5000000) (< (mod (+ c_main_~x~0 11) 4294967296) 5000000) (< (mod (+ c_main_~x~0 20) 4294967296) 5000000) (< (mod (+ c_main_~x~0 6) 4294967296) 5000000) (< (mod (+ c_main_~x~0 25) 4294967296) 5000000) (< (mod (+ c_main_~x~0 4) 4294967296) 5000000) (< (mod (+ c_main_~x~0 21) 4294967296) 5000000) (< (mod (+ c_main_~x~0 22) 4294967296) 5000000) (< (mod (+ c_main_~x~0 8) 4294967296) 5000000) (< (mod (+ c_main_~x~0 14) 4294967296) 5000000) (< (mod (+ c_main_~x~0 12) 4294967296) 5000000) (< (mod (+ c_main_~x~0 13) 4294967296) 5000000) (< (mod (+ c_main_~x~0 15) 4294967296) 5000000) (< (mod (+ c_main_~x~0 10) 4294967296) 5000000) (< (mod (+ c_main_~x~0 19) 4294967296) 5000000) (< (mod (+ c_main_~x~0 1) 4294967296) 5000000) (< (mod (+ c_main_~x~0 5) 4294967296) 5000000)) is different from false [2020-07-20 18:27:51,108 WARN L193 SmtUtils]: Spent 12.97 s on a formula simplification. DAG size of input: 133 DAG size of output: 13 [2020-07-20 18:27:53,130 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 7) 4294967296) 5000000) (< (mod (+ c_main_~x~0 24) 4294967296) 5000000) (< (mod (+ c_main_~x~0 16) 4294967296) 5000000) (< (mod (+ c_main_~x~0 18) 4294967296) 5000000) (< (mod (+ c_main_~x~0 2) 4294967296) 5000000) (< (mod c_main_~x~0 4294967296) 5000000) (< (mod (+ c_main_~x~0 17) 4294967296) 5000000) (< (mod (+ c_main_~x~0 3) 4294967296) 5000000) (< (mod (+ c_main_~x~0 9) 4294967296) 5000000) (< (mod (+ c_main_~x~0 23) 4294967296) 5000000) (< (mod (+ c_main_~x~0 11) 4294967296) 5000000) (< (mod (+ c_main_~x~0 20) 4294967296) 5000000) (< (mod (+ c_main_~x~0 6) 4294967296) 5000000) (< (mod (+ c_main_~x~0 25) 4294967296) 5000000) (< (mod (+ c_main_~x~0 4) 4294967296) 5000000) (< (mod (+ c_main_~x~0 21) 4294967296) 5000000) (< (mod (+ c_main_~x~0 22) 4294967296) 5000000) (< (mod (+ c_main_~x~0 8) 4294967296) 5000000) (< (mod (+ c_main_~x~0 14) 4294967296) 5000000) (< (mod (+ c_main_~x~0 12) 4294967296) 5000000) (< (mod (+ c_main_~x~0 13) 4294967296) 5000000) (< (mod (+ c_main_~x~0 15) 4294967296) 5000000) (< (mod (+ c_main_~x~0 10) 4294967296) 5000000) (< (mod (+ c_main_~x~0 19) 4294967296) 5000000) (< (mod (+ c_main_~x~0 1) 4294967296) 5000000) (< (mod (+ c_main_~x~0 5) 4294967296) 5000000)) is different from false [2020-07-20 18:27:55,139 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 7) 4294967296) 5000000) (< (mod (+ c_main_~x~0 24) 4294967296) 5000000) (< (mod (+ c_main_~x~0 16) 4294967296) 5000000) (< (mod (+ c_main_~x~0 18) 4294967296) 5000000) (< (mod (+ c_main_~x~0 2) 4294967296) 5000000) (< (mod (+ c_main_~x~0 17) 4294967296) 5000000) (< (mod (+ c_main_~x~0 3) 4294967296) 5000000) (< (mod (+ c_main_~x~0 9) 4294967296) 5000000) (< (mod (+ c_main_~x~0 23) 4294967296) 5000000) (< (mod (+ c_main_~x~0 11) 4294967296) 5000000) (< (mod (+ c_main_~x~0 20) 4294967296) 5000000) (< (mod (+ c_main_~x~0 6) 4294967296) 5000000) (< (mod (+ c_main_~x~0 25) 4294967296) 5000000) (< (mod (+ c_main_~x~0 4) 4294967296) 5000000) (< (mod (+ c_main_~x~0 21) 4294967296) 5000000) (< (mod (+ c_main_~x~0 22) 4294967296) 5000000) (< (mod (+ c_main_~x~0 8) 4294967296) 5000000) (< (mod (+ c_main_~x~0 14) 4294967296) 5000000) (< (mod (+ c_main_~x~0 12) 4294967296) 5000000) (< (mod (+ c_main_~x~0 13) 4294967296) 5000000) (< (mod (+ c_main_~x~0 15) 4294967296) 5000000) (< (mod (+ c_main_~x~0 10) 4294967296) 5000000) (< (mod (+ c_main_~x~0 19) 4294967296) 5000000) (< (mod (+ c_main_~x~0 1) 4294967296) 5000000) (< (mod (+ c_main_~x~0 5) 4294967296) 5000000)) is different from false [2020-07-20 18:27:57,150 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 7) 4294967296) 5000000) (< (mod (+ c_main_~x~0 24) 4294967296) 5000000) (< (mod (+ c_main_~x~0 16) 4294967296) 5000000) (< (mod (+ c_main_~x~0 18) 4294967296) 5000000) (< (mod (+ c_main_~x~0 2) 4294967296) 5000000) (< (mod c_main_~x~0 4294967296) 5000000) (< (mod (+ c_main_~x~0 17) 4294967296) 5000000) (< (mod (+ c_main_~x~0 3) 4294967296) 5000000) (< (mod (+ c_main_~x~0 9) 4294967296) 5000000) (< (mod (+ c_main_~x~0 23) 4294967296) 5000000) (< (mod (+ c_main_~x~0 11) 4294967296) 5000000) (< (mod (+ c_main_~x~0 20) 4294967296) 5000000) (< (mod (+ c_main_~x~0 6) 4294967296) 5000000) (< (mod (+ c_main_~x~0 4) 4294967296) 5000000) (< (mod (+ c_main_~x~0 21) 4294967296) 5000000) (< (mod (+ c_main_~x~0 22) 4294967296) 5000000) (< (mod (+ c_main_~x~0 8) 4294967296) 5000000) (< (mod (+ c_main_~x~0 14) 4294967296) 5000000) (< (mod (+ c_main_~x~0 12) 4294967296) 5000000) (< (mod (+ c_main_~x~0 13) 4294967296) 5000000) (< (mod (+ c_main_~x~0 15) 4294967296) 5000000) (< (mod (+ c_main_~x~0 10) 4294967296) 5000000) (< (mod (+ c_main_~x~0 19) 4294967296) 5000000) (< (mod (+ c_main_~x~0 1) 4294967296) 5000000) (< (mod (+ c_main_~x~0 5) 4294967296) 5000000)) is different from false [2020-07-20 18:27:59,185 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 7) 4294967296) 5000000) (< (mod (+ c_main_~x~0 11) 4294967296) 5000000) (< (mod (+ c_main_~x~0 24) 4294967296) 5000000) (< (mod (+ c_main_~x~0 20) 4294967296) 5000000) (< (mod (+ c_main_~x~0 6) 4294967296) 5000000) (< (mod (+ c_main_~x~0 16) 4294967296) 5000000) (< (mod (+ c_main_~x~0 4) 4294967296) 5000000) (< (mod (+ c_main_~x~0 18) 4294967296) 5000000) (< (mod (+ c_main_~x~0 21) 4294967296) 5000000) (< (mod (+ c_main_~x~0 2) 4294967296) 5000000) (< (mod (+ c_main_~x~0 22) 4294967296) 5000000) (< (mod (+ c_main_~x~0 8) 4294967296) 5000000) (< (mod (+ c_main_~x~0 14) 4294967296) 5000000) (< (mod (+ c_main_~x~0 12) 4294967296) 5000000) (< (mod (+ c_main_~x~0 17) 4294967296) 5000000) (< (mod (+ c_main_~x~0 13) 4294967296) 5000000) (< (mod (+ c_main_~x~0 3) 4294967296) 5000000) (< (mod (+ c_main_~x~0 9) 4294967296) 5000000) (< (mod (+ c_main_~x~0 15) 4294967296) 5000000) (< (mod (+ c_main_~x~0 10) 4294967296) 5000000) (< (mod (+ c_main_~x~0 23) 4294967296) 5000000) (< (mod (+ c_main_~x~0 19) 4294967296) 5000000) (< (mod (+ c_main_~x~0 1) 4294967296) 5000000) (< (mod (+ c_main_~x~0 5) 4294967296) 5000000)) is different from false [2020-07-20 18:28:01,224 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 7) 4294967296) 5000000) (< (mod (+ c_main_~x~0 11) 4294967296) 5000000) (< (mod (+ c_main_~x~0 20) 4294967296) 5000000) (< (mod (+ c_main_~x~0 6) 4294967296) 5000000) (< (mod (+ c_main_~x~0 16) 4294967296) 5000000) (< (mod (+ c_main_~x~0 4) 4294967296) 5000000) (< (mod (+ c_main_~x~0 18) 4294967296) 5000000) (< (mod (+ c_main_~x~0 21) 4294967296) 5000000) (< (mod (+ c_main_~x~0 2) 4294967296) 5000000) (< (mod c_main_~x~0 4294967296) 5000000) (< (mod (+ c_main_~x~0 22) 4294967296) 5000000) (< (mod (+ c_main_~x~0 8) 4294967296) 5000000) (< (mod (+ c_main_~x~0 14) 4294967296) 5000000) (< (mod (+ c_main_~x~0 12) 4294967296) 5000000) (< (mod (+ c_main_~x~0 17) 4294967296) 5000000) (< (mod (+ c_main_~x~0 13) 4294967296) 5000000) (< (mod (+ c_main_~x~0 3) 4294967296) 5000000) (< (mod (+ c_main_~x~0 9) 4294967296) 5000000) (< (mod (+ c_main_~x~0 15) 4294967296) 5000000) (< (mod (+ c_main_~x~0 10) 4294967296) 5000000) (< (mod (+ c_main_~x~0 23) 4294967296) 5000000) (< (mod (+ c_main_~x~0 19) 4294967296) 5000000) (< (mod (+ c_main_~x~0 1) 4294967296) 5000000) (< (mod (+ c_main_~x~0 5) 4294967296) 5000000)) is different from false [2020-07-20 18:28:03,238 WARN L838 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 7) 4294967296) 5000000) (< (mod (+ c_main_~x~0 11) 4294967296) 5000000) (< (mod (+ c_main_~x~0 20) 4294967296) 5000000) (< (mod (+ c_main_~x~0 6) 4294967296) 5000000) (< (mod (+ c_main_~x~0 16) 4294967296) 5000000) (< (mod (+ c_main_~x~0 4) 4294967296) 5000000) (< (mod (+ c_main_~x~0 18) 4294967296) 5000000) (< (mod (+ c_main_~x~0 21) 4294967296) 5000000) (< (mod (+ c_main_~x~0 2) 4294967296) 5000000) (< (mod (+ c_main_~x~0 22) 4294967296) 5000000) (< (mod (+ c_main_~x~0 8) 4294967296) 5000000) (< (mod (+ c_main_~x~0 14) 4294967296) 5000000) (< (mod (+ c_main_~x~0 12) 4294967296) 5000000) (< (mod (+ c_main_~x~0 17) 4294967296) 5000000) (< (mod (+ c_main_~x~0 13) 4294967296) 5000000) (< (mod (+ c_main_~x~0 3) 4294967296) 5000000) (< (mod (+ c_main_~x~0 9) 4294967296) 5000000) (< (mod (+ c_main_~x~0 15) 4294967296) 5000000) (< (mod (+ c_main_~x~0 10) 4294967296) 5000000) (< (mod (+ c_main_~x~0 23) 4294967296) 5000000) (< (mod (+ c_main_~x~0 19) 4294967296) 5000000) (< (mod (+ c_main_~x~0 1) 4294967296) 5000000) (< (mod (+ c_main_~x~0 5) 4294967296) 5000000)) is different from false