/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/lcm2_valuebound20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-06 07:54:20,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-06 07:54:20,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-06 07:54:20,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-06 07:54:20,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-06 07:54:20,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-06 07:54:20,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-06 07:54:20,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-06 07:54:20,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-06 07:54:20,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-06 07:54:20,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-06 07:54:20,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-06 07:54:20,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-06 07:54:20,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-06 07:54:20,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-06 07:54:20,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-06 07:54:20,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-06 07:54:20,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-06 07:54:20,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-06 07:54:20,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-06 07:54:20,921 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-06 07:54:20,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-06 07:54:20,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-06 07:54:20,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-06 07:54:20,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-06 07:54:20,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-06 07:54:20,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-06 07:54:20,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-06 07:54:20,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-06 07:54:20,935 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-06 07:54:20,945 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-06 07:54:20,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-06 07:54:20,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-06 07:54:20,946 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-06 07:54:20,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-06 07:54:20,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-06 07:54:20,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-06 07:54:20,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-06 07:54:20,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-06 07:54:20,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-06 07:54:20,953 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-06 07:54:20,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-06 07:54:20,953 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-06 07:54:20,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-06 07:54:20,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-06 07:54:20,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-06 07:54:20,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-06 07:54:20,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-06 07:54:20,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 07:54:20,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-06 07:54:20,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-06 07:54:20,956 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-06 07:54:20,956 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-06 07:54:21,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-06 07:54:21,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-06 07:54:21,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-06 07:54:21,231 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-06 07:54:21,231 INFO L275 PluginConnector]: CDTParser initialized [2022-04-06 07:54:21,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/lcm2_valuebound20.c [2022-04-06 07:54:21,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89b6601e1/31d87349f5d94fef9a9e0f82534a11a8/FLAGc8cea134c [2022-04-06 07:54:21,659 INFO L306 CDTParser]: Found 1 translation units. [2022-04-06 07:54:21,660 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/lcm2_valuebound20.c [2022-04-06 07:54:21,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89b6601e1/31d87349f5d94fef9a9e0f82534a11a8/FLAGc8cea134c [2022-04-06 07:54:22,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89b6601e1/31d87349f5d94fef9a9e0f82534a11a8 [2022-04-06 07:54:22,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-06 07:54:22,062 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-06 07:54:22,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-06 07:54:22,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-06 07:54:22,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-06 07:54:22,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 07:54:22" (1/1) ... [2022-04-06 07:54:22,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1690b455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:54:22, skipping insertion in model container [2022-04-06 07:54:22,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 07:54:22" (1/1) ... [2022-04-06 07:54:22,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-06 07:54:22,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-06 07:54:22,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2022-04-06 07:54:22,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 07:54:22,255 INFO L203 MainTranslator]: Completed pre-run [2022-04-06 07:54:22,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2022-04-06 07:54:22,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-06 07:54:22,298 INFO L208 MainTranslator]: Completed translation [2022-04-06 07:54:22,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:54:22 WrapperNode [2022-04-06 07:54:22,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-06 07:54:22,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-06 07:54:22,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-06 07:54:22,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-06 07:54:22,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:54:22" (1/1) ... [2022-04-06 07:54:22,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:54:22" (1/1) ... [2022-04-06 07:54:22,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:54:22" (1/1) ... [2022-04-06 07:54:22,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:54:22" (1/1) ... [2022-04-06 07:54:22,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:54:22" (1/1) ... [2022-04-06 07:54:22,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:54:22" (1/1) ... [2022-04-06 07:54:22,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:54:22" (1/1) ... [2022-04-06 07:54:22,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-06 07:54:22,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-06 07:54:22,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-06 07:54:22,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-06 07:54:22,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:54:22" (1/1) ... [2022-04-06 07:54:22,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-06 07:54:22,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 07:54:22,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-06 07:54:22,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-06 07:54:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-06 07:54:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-06 07:54:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-06 07:54:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-06 07:54:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-06 07:54:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-06 07:54:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-06 07:54:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-06 07:54:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-06 07:54:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-06 07:54:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-04-06 07:54:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-06 07:54:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-06 07:54:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-06 07:54:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-06 07:54:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-06 07:54:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-06 07:54:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-06 07:54:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-06 07:54:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-06 07:54:22,459 INFO L234 CfgBuilder]: Building ICFG [2022-04-06 07:54:22,461 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-06 07:54:22,622 INFO L275 CfgBuilder]: Performing block encoding [2022-04-06 07:54:22,627 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-06 07:54:22,627 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-06 07:54:22,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 07:54:22 BoogieIcfgContainer [2022-04-06 07:54:22,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-06 07:54:22,629 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-06 07:54:22,629 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-06 07:54:22,656 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-06 07:54:22,659 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 07:54:22" (1/1) ... [2022-04-06 07:54:22,660 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-06 07:54:22,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 07:54:22 BasicIcfg [2022-04-06 07:54:22,673 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-06 07:54:22,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-06 07:54:22,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-06 07:54:22,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-06 07:54:22,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 07:54:22" (1/4) ... [2022-04-06 07:54:22,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4daa71b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 07:54:22, skipping insertion in model container [2022-04-06 07:54:22,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:54:22" (2/4) ... [2022-04-06 07:54:22,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4daa71b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 07:54:22, skipping insertion in model container [2022-04-06 07:54:22,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 07:54:22" (3/4) ... [2022-04-06 07:54:22,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4daa71b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 07:54:22, skipping insertion in model container [2022-04-06 07:54:22,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.04 07:54:22" (4/4) ... [2022-04-06 07:54:22,679 INFO L111 eAbstractionObserver]: Analyzing ICFG lcm2_valuebound20.cJordan [2022-04-06 07:54:22,683 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-06 07:54:22,684 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-06 07:54:22,736 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-06 07:54:22,741 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-06 07:54:22,741 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-06 07:54:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-04-06 07:54:22,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-06 07:54:22,774 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 07:54:22,775 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 07:54:22,775 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 07:54:22,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 07:54:22,780 INFO L85 PathProgramCache]: Analyzing trace with hash -419271626, now seen corresponding path program 1 times [2022-04-06 07:54:22,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 07:54:22,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660160466] [2022-04-06 07:54:22,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 07:54:22,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 07:54:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 07:54:22,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-06 07:54:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 07:54:22,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-06 07:54:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 07:54:23,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-06 07:54:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 07:54:23,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-04-06 07:54:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 07:54:23,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-04-06 07:54:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 07:54:23,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-04-06 07:54:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 07:54:23,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-06 07:54:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 07:54:23,054 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-06 07:54:23,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 07:54:23,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660160466] [2022-04-06 07:54:23,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660160466] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 07:54:23,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 07:54:23,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-06 07:54:23,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701035768] [2022-04-06 07:54:23,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 07:54:23,062 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-06 07:54:23,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 07:54:23,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-06 07:54:23,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-06 07:54:23,084 INFO L87 Difference]: Start difference. First operand has 34 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-06 07:54:23,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 07:54:23,135 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2022-04-06 07:54:23,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-06 07:54:23,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-04-06 07:54:23,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 07:54:23,142 INFO L225 Difference]: With dead ends: 34 [2022-04-06 07:54:23,143 INFO L226 Difference]: Without dead ends: 29 [2022-04-06 07:54:23,144 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-06 07:54:23,147 INFO L913 BasicCegarLoop]: 33 mSDtfsCounter, 18 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-06 07:54:23,148 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 36 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-06 07:54:23,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-04-06 07:54:23,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-04-06 07:54:23,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-06 07:54:23,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2022-04-06 07:54:23,175 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 43 [2022-04-06 07:54:23,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 07:54:23,175 INFO L478 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2022-04-06 07:54:23,176 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-06 07:54:23,176 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-04-06 07:54:23,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-06 07:54:23,177 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 07:54:23,178 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 07:54:23,178 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-06 07:54:23,178 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 07:54:23,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 07:54:23,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1223303911, now seen corresponding path program 1 times [2022-04-06 07:54:23,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 07:54:23,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965643358] [2022-04-06 07:54:23,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 07:54:23,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 07:54:23,207 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-06 07:54:23,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1887069785] [2022-04-06 07:54:23,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 07:54:23,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 07:54:23,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 07:54:23,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-06 07:54:23,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-06 07:54:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-06 07:54:23,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2022-04-06 07:54:23,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-06 07:54:23,668 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-06 07:54:23,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-06 07:54:23,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-06 07:54:23,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965643358] [2022-04-06 07:54:23,669 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-06 07:54:23,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887069785] [2022-04-06 07:54:23,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887069785] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-06 07:54:23,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-06 07:54:23,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-06 07:54:23,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018822229] [2022-04-06 07:54:23,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-06 07:54:23,676 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-06 07:54:23,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-06 07:54:23,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-06 07:54:23,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-06 07:54:23,682 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-06 07:54:23,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-06 07:54:23,797 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2022-04-06 07:54:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-06 07:54:23,799 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 43 [2022-04-06 07:54:23,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-06 07:54:23,800 INFO L225 Difference]: With dead ends: 38 [2022-04-06 07:54:23,800 INFO L226 Difference]: Without dead ends: 37 [2022-04-06 07:54:23,801 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-06 07:54:23,802 INFO L913 BasicCegarLoop]: 30 mSDtfsCounter, 7 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-06 07:54:23,802 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 105 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-06 07:54:23,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-04-06 07:54:23,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2022-04-06 07:54:23,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-06 07:54:23,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 43 transitions. [2022-04-06 07:54:23,808 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 43 transitions. Word has length 43 [2022-04-06 07:54:23,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-06 07:54:23,812 INFO L478 AbstractCegarLoop]: Abstraction has 36 states and 43 transitions. [2022-04-06 07:54:23,812 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-06 07:54:23,812 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2022-04-06 07:54:23,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-04-06 07:54:23,816 INFO L491 BasicCegarLoop]: Found error trace [2022-04-06 07:54:23,816 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-06 07:54:23,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-06 07:54:24,040 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 07:54:24,040 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-06 07:54:24,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-06 07:54:24,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1282076869, now seen corresponding path program 1 times [2022-04-06 07:54:24,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-06 07:54:24,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790612456] [2022-04-06 07:54:24,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 07:54:24,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-06 07:54:24,072 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-06 07:54:24,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [481553356] [2022-04-06 07:54:24,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-06 07:54:24,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-06 07:54:24,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-06 07:54:24,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-06 07:54:24,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process