./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/verifythis/elimination_max.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/verifythis/elimination_max.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e9d0e89ee237165e6cd15cb730148b321ca31eb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/verifythis/elimination_max.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e9d0e89ee237165e6cd15cb730148b321ca31eb ......................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 16:38:06,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 16:38:06,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 16:38:06,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 16:38:06,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 16:38:06,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 16:38:06,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 16:38:06,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 16:38:06,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 16:38:06,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 16:38:06,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 16:38:06,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 16:38:06,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 16:38:06,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 16:38:06,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 16:38:06,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 16:38:06,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 16:38:06,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 16:38:06,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 16:38:06,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 16:38:06,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 16:38:06,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 16:38:06,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 16:38:06,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 16:38:06,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 16:38:06,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 16:38:06,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 16:38:06,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 16:38:06,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 16:38:06,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 16:38:06,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 16:38:06,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 16:38:06,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 16:38:06,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 16:38:06,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 16:38:06,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 16:38:06,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 16:38:06,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 16:38:06,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 16:38:06,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 16:38:06,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 16:38:06,035 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-01 16:38:06,045 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 16:38:06,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 16:38:06,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 16:38:06,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 16:38:06,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 16:38:06,046 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 16:38:06,046 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 16:38:06,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 16:38:06,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 16:38:06,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 16:38:06,047 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 16:38:06,047 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 16:38:06,047 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-01 16:38:06,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 16:38:06,047 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 16:38:06,047 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 16:38:06,047 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 16:38:06,048 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 16:38:06,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 16:38:06,048 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 16:38:06,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 16:38:06,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 16:38:06,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 16:38:06,048 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 16:38:06,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 16:38:06,049 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9d0e89ee237165e6cd15cb730148b321ca31eb [2019-12-01 16:38:06,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 16:38:06,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 16:38:06,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 16:38:06,162 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 16:38:06,163 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 16:38:06,163 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/../../sv-benchmarks/c/verifythis/elimination_max.c [2019-12-01 16:38:06,212 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/data/2c5a0fc7d/77fe06494f974814b427eef07af16066/FLAGe51dbaea1 [2019-12-01 16:38:06,611 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 16:38:06,611 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/sv-benchmarks/c/verifythis/elimination_max.c [2019-12-01 16:38:06,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/data/2c5a0fc7d/77fe06494f974814b427eef07af16066/FLAGe51dbaea1 [2019-12-01 16:38:06,980 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/data/2c5a0fc7d/77fe06494f974814b427eef07af16066 [2019-12-01 16:38:06,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 16:38:06,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 16:38:06,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 16:38:06,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 16:38:06,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 16:38:06,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:38:06" (1/1) ... [2019-12-01 16:38:06,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a51fb42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:06, skipping insertion in model container [2019-12-01 16:38:06,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:38:06" (1/1) ... [2019-12-01 16:38:06,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 16:38:07,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 16:38:07,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 16:38:07,112 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 16:38:07,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 16:38:07,169 INFO L208 MainTranslator]: Completed translation [2019-12-01 16:38:07,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:07 WrapperNode [2019-12-01 16:38:07,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 16:38:07,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 16:38:07,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 16:38:07,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 16:38:07,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:07" (1/1) ... [2019-12-01 16:38:07,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:07" (1/1) ... [2019-12-01 16:38:07,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 16:38:07,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 16:38:07,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 16:38:07,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 16:38:07,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:07" (1/1) ... [2019-12-01 16:38:07,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:07" (1/1) ... [2019-12-01 16:38:07,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:07" (1/1) ... [2019-12-01 16:38:07,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:07" (1/1) ... [2019-12-01 16:38:07,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:07" (1/1) ... [2019-12-01 16:38:07,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:07" (1/1) ... [2019-12-01 16:38:07,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:07" (1/1) ... [2019-12-01 16:38:07,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 16:38:07,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 16:38:07,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 16:38:07,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 16:38:07,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:38:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2019-12-01 16:38:07,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 16:38:07,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 16:38:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 16:38:07,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 16:38:07,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 16:38:07,533 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 16:38:07,533 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-12-01 16:38:07,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:38:07 BoogieIcfgContainer [2019-12-01 16:38:07,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 16:38:07,535 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 16:38:07,535 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 16:38:07,541 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 16:38:07,542 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:38:07" (1/1) ... [2019-12-01 16:38:07,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 16:38:07,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:07,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2019-12-01 16:38:07,571 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2019-12-01 16:38:07,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 16:38:07,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:07,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:07,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:07,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2019-12-01 16:38:07,741 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2019-12-01 16:38:07,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 16:38:07,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:07,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:07,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:07,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2019-12-01 16:38:07,909 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2019-12-01 16:38:07,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 16:38:07,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:07,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:08,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:08,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2019-12-01 16:38:08,124 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2019-12-01 16:38:08,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 16:38:08,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:08,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:08,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:08,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2019-12-01 16:38:08,239 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2019-12-01 16:38:08,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 16:38:08,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:08,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:08,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:08,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2019-12-01 16:38:08,268 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2019-12-01 16:38:08,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 16:38:08,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:08,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:08,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:08,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2019-12-01 16:38:08,686 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2019-12-01 16:38:08,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 16:38:08,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:08,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:08,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2019-12-01 16:38:08,709 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2019-12-01 16:38:08,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 16:38:08,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:08,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:09,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:09,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2019-12-01 16:38:09,569 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2019-12-01 16:38:09,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 16:38:09,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:09,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:09,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:09,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2019-12-01 16:38:09,593 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2019-12-01 16:38:09,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 16:38:09,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:09,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:10,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2019-12-01 16:38:10,710 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2019-12-01 16:38:10,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 16:38:10,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:10,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:10,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2019-12-01 16:38:10,778 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2019-12-01 16:38:10,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 16:38:10,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:10,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 16:38:11,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:11,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2019-12-01 16:38:11,172 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2019-12-01 16:38:11,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 16:38:11,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:13,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:13,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 89 transitions. [2019-12-01 16:38:13,081 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2019-12-01 16:38:13,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 16:38:13,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:13,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:13,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:13,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 51 states and 90 transitions. [2019-12-01 16:38:13,279 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2019-12-01 16:38:13,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 16:38:13,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:13,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:13,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:13,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 89 transitions. [2019-12-01 16:38:13,303 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2019-12-01 16:38:13,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 16:38:13,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:13,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:14,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:14,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2019-12-01 16:38:14,326 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2019-12-01 16:38:14,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 16:38:14,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:14,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:18,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:18,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 108 transitions. [2019-12-01 16:38:18,426 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 108 transitions. [2019-12-01 16:38:18,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 16:38:18,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:18,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:22,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:22,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 62 states and 118 transitions. [2019-12-01 16:38:22,591 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 118 transitions. [2019-12-01 16:38:22,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 16:38:22,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:22,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:23,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:23,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 64 states and 125 transitions. [2019-12-01 16:38:23,496 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 125 transitions. [2019-12-01 16:38:23,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 16:38:23,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:23,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:23,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:23,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 63 states and 124 transitions. [2019-12-01 16:38:23,977 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 124 transitions. [2019-12-01 16:38:23,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 16:38:23,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:24,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:27,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:27,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 69 states and 138 transitions. [2019-12-01 16:38:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 138 transitions. [2019-12-01 16:38:27,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 16:38:27,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:27,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:28,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:28,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 70 states and 138 transitions. [2019-12-01 16:38:28,885 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 138 transitions. [2019-12-01 16:38:28,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 16:38:28,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:29,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:30,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:30,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 72 states and 143 transitions. [2019-12-01 16:38:30,394 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 143 transitions. [2019-12-01 16:38:30,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 16:38:30,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:30,600 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 16:38:34,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 77 states and 163 transitions. [2019-12-01 16:38:34,931 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 163 transitions. [2019-12-01 16:38:34,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 16:38:34,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:34,963 ERROR L603 CodeCheckObserver]: First Tracecheck threw exception Undeclared function symbol (const Int) [2019-12-01 16:38:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:34,978 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-01 16:38:34,982 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 16:38:35,232 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-01 16:38:35,430 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 16:38:38,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 79 states and 166 transitions. [2019-12-01 16:38:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 166 transitions. [2019-12-01 16:38:38,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 16:38:38,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:38,736 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:38:39,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:39,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 79 states and 163 transitions. [2019-12-01 16:38:39,161 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 163 transitions. [2019-12-01 16:38:39,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 16:38:39,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:39,173 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 16:38:39,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:39,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 80 states and 164 transitions. [2019-12-01 16:38:39,790 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 164 transitions. [2019-12-01 16:38:39,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 16:38:39,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:39,804 ERROR L603 CodeCheckObserver]: First Tracecheck threw exception Undeclared function symbol (const Int) [2019-12-01 16:38:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:39,814 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-01 16:38:39,815 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 16:38:39,838 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2019-12-01 16:38:39,838 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-01 16:38:39,840 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-01 16:38:39,841 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-01 16:38:39,841 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2019-12-01 16:38:40,141 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-01 16:38:40,151 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2019-12-01 16:38:40,151 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-01 16:38:40,155 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2019-12-01 16:38:40,155 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-01 16:38:40,164 INFO L614 ElimStorePlain]: treesize reduction 39, result has 31.6 percent of original size [2019-12-01 16:38:40,164 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-01 16:38:40,165 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:71, output treesize:18 [2019-12-01 16:38:40,216 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:38:44,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:44,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 87 states and 189 transitions. [2019-12-01 16:38:44,969 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 189 transitions. [2019-12-01 16:38:44,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 16:38:44,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 16:38:45,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:45,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 89 states and 192 transitions. [2019-12-01 16:38:45,682 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 192 transitions. [2019-12-01 16:38:45,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 16:38:45,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 16:38:46,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:46,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 90 states and 193 transitions. [2019-12-01 16:38:46,281 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 193 transitions. [2019-12-01 16:38:46,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 16:38:46,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:46,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 16:38:46,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:46,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 90 states and 192 transitions. [2019-12-01 16:38:46,741 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 192 transitions. [2019-12-01 16:38:46,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 16:38:46,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:47,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:38:49,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 93 states and 199 transitions. [2019-12-01 16:38:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 199 transitions. [2019-12-01 16:38:49,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 16:38:49,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:49,879 ERROR L603 CodeCheckObserver]: First Tracecheck threw exception Undeclared function symbol (const Int) [2019-12-01 16:38:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:49,889 INFO L264 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-01 16:38:49,889 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 16:38:49,891 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-01 16:38:49,893 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 16:38:52,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:38:52,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 96 states and 205 transitions. [2019-12-01 16:38:52,682 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 205 transitions. [2019-12-01 16:38:52,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 16:38:52,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:38:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:38:53,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 16:39:00,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:00,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 107 states and 227 transitions. [2019-12-01 16:39:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 227 transitions. [2019-12-01 16:39:00,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 16:39:00,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:00,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 16:39:01,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:01,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 108 states and 228 transitions. [2019-12-01 16:39:01,449 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 228 transitions. [2019-12-01 16:39:01,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 16:39:01,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:01,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:39:05,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:05,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 112 states and 237 transitions. [2019-12-01 16:39:05,190 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 237 transitions. [2019-12-01 16:39:05,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 16:39:05,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:05,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:39:05,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 113 states and 239 transitions. [2019-12-01 16:39:05,917 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 239 transitions. [2019-12-01 16:39:05,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 16:39:05,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:05,939 ERROR L603 CodeCheckObserver]: First Tracecheck threw exception Undeclared function symbol (const Int) [2019-12-01 16:39:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:05,950 INFO L264 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-01 16:39:05,950 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 16:39:05,954 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2019-12-01 16:39:05,954 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-01 16:39:05,959 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-01 16:39:05,959 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-01 16:39:05,960 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2019-12-01 16:39:06,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-01 16:39:06,400 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2019-12-01 16:39:06,400 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-01 16:39:06,403 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2019-12-01 16:39:06,403 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-01 16:39:06,413 INFO L614 ElimStorePlain]: treesize reduction 44, result has 34.3 percent of original size [2019-12-01 16:39:06,413 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-01 16:39:06,413 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:81, output treesize:23 [2019-12-01 16:39:06,644 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 16:39:07,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:07,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 114 states and 240 transitions. [2019-12-01 16:39:07,956 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 240 transitions. [2019-12-01 16:39:07,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 16:39:07,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:07,973 ERROR L603 CodeCheckObserver]: First Tracecheck threw exception Undeclared function symbol (const Int) [2019-12-01 16:39:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:07,985 INFO L264 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-01 16:39:07,987 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 16:39:07,990 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2019-12-01 16:39:07,990 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-01 16:39:07,992 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-01 16:39:07,992 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-01 16:39:07,992 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:7, output treesize:6 [2019-12-01 16:39:07,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-01 16:39:08,001 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2019-12-01 16:39:08,002 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-01 16:39:08,005 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2019-12-01 16:39:08,005 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-01 16:39:08,015 INFO L614 ElimStorePlain]: treesize reduction 39, result has 31.6 percent of original size [2019-12-01 16:39:08,015 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-01 16:39:08,016 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:71, output treesize:18 [2019-12-01 16:39:08,069 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 16:39:08,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:08,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 60 states and 93 transitions. [2019-12-01 16:39:08,770 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2019-12-01 16:39:08,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 16:39:08,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:08,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:39:09,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:09,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 62 states and 94 transitions. [2019-12-01 16:39:09,811 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 94 transitions. [2019-12-01 16:39:09,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 16:39:09,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:09,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 16:39:11,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:11,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 62 states and 93 transitions. [2019-12-01 16:39:11,153 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 93 transitions. [2019-12-01 16:39:11,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 16:39:11,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:12,171 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:39:14,252 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-12-01 16:39:17,348 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-12-01 16:39:19,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:19,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 60 states and 89 transitions. [2019-12-01 16:39:19,507 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2019-12-01 16:39:19,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 16:39:19,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:20,819 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:39:31,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:31,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 104 transitions. [2019-12-01 16:39:31,247 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2019-12-01 16:39:31,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 16:39:31,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:31,258 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 16:39:31,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:31,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2019-12-01 16:39:31,970 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2019-12-01 16:39:31,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 16:39:31,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:31,979 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 16:39:38,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2019-12-01 16:39:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-12-01 16:39:38,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 16:39:38,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:38,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 16:39:39,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:39,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 56 states and 75 transitions. [2019-12-01 16:39:39,818 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2019-12-01 16:39:39,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 16:39:39,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:39,840 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 16:39:47,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:47,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2019-12-01 16:39:47,804 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2019-12-01 16:39:47,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 16:39:47,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:47,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 16:39:48,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:48,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 66 states and 89 transitions. [2019-12-01 16:39:48,908 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2019-12-01 16:39:48,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 16:39:48,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:49,192 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:39:54,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:54,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 70 states and 91 transitions. [2019-12-01 16:39:54,897 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2019-12-01 16:39:54,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 16:39:54,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:54,912 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:39:55,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:55,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 71 states and 91 transitions. [2019-12-01 16:39:55,500 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2019-12-01 16:39:55,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 16:39:55,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:55,514 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:39:57,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:57,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 72 states and 92 transitions. [2019-12-01 16:39:57,162 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2019-12-01 16:39:57,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 16:39:57,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:57,188 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:39:58,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:39:58,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 66 states and 85 transitions. [2019-12-01 16:39:58,050 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2019-12-01 16:39:58,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 16:39:58,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:39:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:39:58,075 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:40:06,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:40:06,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 68 states and 88 transitions. [2019-12-01 16:40:06,960 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2019-12-01 16:40:06,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 16:40:06,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:40:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:40:06,974 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:40:08,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:40:08,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 69 states and 88 transitions. [2019-12-01 16:40:08,169 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2019-12-01 16:40:08,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 16:40:08,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:40:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:40:08,180 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 16:40:09,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:40:09,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 70 states and 91 transitions. [2019-12-01 16:40:09,192 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2019-12-01 16:40:09,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 16:40:09,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:40:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:40:09,205 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 16:40:10,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:40:10,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 71 states and 91 transitions. [2019-12-01 16:40:10,090 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2019-12-01 16:40:10,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 16:40:10,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:40:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:40:10,100 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 16:40:12,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:40:12,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2019-12-01 16:40:12,404 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2019-12-01 16:40:12,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 16:40:12,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:40:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:40:12,423 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 16:40:15,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:40:15,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2019-12-01 16:40:15,966 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2019-12-01 16:40:15,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 16:40:15,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:40:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:40:15,982 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 16:40:17,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:40:17,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2019-12-01 16:40:17,537 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2019-12-01 16:40:17,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 16:40:17,538 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 60 iterations. [2019-12-01 16:40:17,545 INFO L765 CodeCheckObserver]: All specifications hold 16 specifications checked. All of them hold [2019-12-01 16:40:17,659 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-12-01 16:40:17,881 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-12-01 16:40:18,075 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-12-01 16:40:18,271 INFO L569 CodeCheckObserver]: Invariant with dag size 56 [2019-12-01 16:40:18,274 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.reportResult(CodeCheckObserver.java:805) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createInvariantResults(CodeCheckObserver.java:573) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:529) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-01 16:40:18,276 INFO L168 Benchmark]: Toolchain (without parser) took 131292.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 946.3 MB in the beginning and 981.5 MB in the end (delta: -35.2 MB). Peak memory consumption was 310.2 MB. Max. memory is 11.5 GB. [2019-12-01 16:40:18,276 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 16:40:18,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -147.9 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-12-01 16:40:18,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 16:40:18,277 INFO L168 Benchmark]: Boogie Preprocessor took 20.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2019-12-01 16:40:18,277 INFO L168 Benchmark]: RCFGBuilder took 313.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2019-12-01 16:40:18,277 INFO L168 Benchmark]: CodeCheck took 130739.96 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.9 MB). Free memory was 1.1 GB in the beginning and 981.5 MB in the end (delta: 73.7 MB). Peak memory consumption was 319.5 MB. Max. memory is 11.5 GB. [2019-12-01 16:40:18,279 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 30 locations, 16 error locations. Result: SAFE, OverallTime: 129.9s, OverallIterations: 60, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 1045258564 SDslu, 0 SDs, 0 SdLazy, -538391356 SolverSat, -12564980 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 65.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7276 GetRequests, 6229 SyntacticMatches, 335 SemanticMatches, 712 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256893 ImplicationChecksByTransitivity, 125.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 670 NumberOfCodeBlocks, 670 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 611 ConstructedInterpolants, 0 QuantifiedInterpolants, 89169 SizeOfPredicates, 26 NumberOfNonLiveVariables, 355 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 59 InterpolantComputations, 38 PerfectInterpolantSequences, 180/282 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 30]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 41]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 30]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 41]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 38]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 11]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 30]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 30]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 38]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 38]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 38]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 43]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 41]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 43]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 41]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 43]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 185.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -147.9 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 313.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. * CodeCheck took 130739.96 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.9 MB). Free memory was 1.1 GB in the beginning and 981.5 MB in the end (delta: 73.7 MB). Peak memory consumption was 319.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-01 16:40:19,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 16:40:19,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 16:40:19,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 16:40:19,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 16:40:19,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 16:40:19,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 16:40:19,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 16:40:19,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 16:40:19,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 16:40:19,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 16:40:19,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 16:40:19,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 16:40:19,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 16:40:19,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 16:40:19,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 16:40:19,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 16:40:19,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 16:40:19,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 16:40:19,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 16:40:19,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 16:40:19,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 16:40:19,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 16:40:19,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 16:40:19,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 16:40:19,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 16:40:19,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 16:40:19,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 16:40:19,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 16:40:19,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 16:40:19,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 16:40:19,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 16:40:19,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 16:40:19,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 16:40:19,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 16:40:19,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 16:40:19,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 16:40:19,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 16:40:19,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 16:40:19,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 16:40:19,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 16:40:19,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2019-12-01 16:40:19,586 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 16:40:19,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 16:40:19,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 16:40:19,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 16:40:19,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 16:40:19,587 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 16:40:19,588 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 16:40:19,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 16:40:19,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 16:40:19,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 16:40:19,588 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 16:40:19,588 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 16:40:19,588 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-01 16:40:19,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 16:40:19,589 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-01 16:40:19,589 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-01 16:40:19,589 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-01 16:40:19,589 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 16:40:19,589 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 16:40:19,589 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 16:40:19,590 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 16:40:19,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 16:40:19,590 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 16:40:19,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 16:40:19,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 16:40:19,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 16:40:19,591 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-01 16:40:19,591 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-01 16:40:19,591 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-12-01 16:40:19,591 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-01 16:40:19,591 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9d0e89ee237165e6cd15cb730148b321ca31eb [2019-12-01 16:40:19,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 16:40:19,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 16:40:19,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 16:40:19,768 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 16:40:19,769 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 16:40:19,769 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/../../sv-benchmarks/c/verifythis/elimination_max.c [2019-12-01 16:40:19,807 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/data/4c5bdbdb7/58b13e75f1e6418fab840ccac1a89f8c/FLAGd1f2ede2e [2019-12-01 16:40:20,279 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 16:40:20,280 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/sv-benchmarks/c/verifythis/elimination_max.c [2019-12-01 16:40:20,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/data/4c5bdbdb7/58b13e75f1e6418fab840ccac1a89f8c/FLAGd1f2ede2e [2019-12-01 16:40:20,791 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/data/4c5bdbdb7/58b13e75f1e6418fab840ccac1a89f8c [2019-12-01 16:40:20,793 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 16:40:20,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 16:40:20,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 16:40:20,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 16:40:20,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 16:40:20,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:40:20" (1/1) ... [2019-12-01 16:40:20,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc928b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:40:20, skipping insertion in model container [2019-12-01 16:40:20,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:40:20" (1/1) ... [2019-12-01 16:40:20,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 16:40:20,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 16:40:20,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 16:40:20,923 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 16:40:20,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 16:40:20,974 INFO L208 MainTranslator]: Completed translation [2019-12-01 16:40:20,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:40:20 WrapperNode [2019-12-01 16:40:20,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 16:40:20,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 16:40:20,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 16:40:20,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 16:40:20,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:40:20" (1/1) ... [2019-12-01 16:40:20,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:40:20" (1/1) ... [2019-12-01 16:40:21,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 16:40:21,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 16:40:21,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 16:40:21,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 16:40:21,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:40:20" (1/1) ... [2019-12-01 16:40:21,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:40:20" (1/1) ... [2019-12-01 16:40:21,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:40:20" (1/1) ... [2019-12-01 16:40:21,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:40:20" (1/1) ... [2019-12-01 16:40:21,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:40:20" (1/1) ... [2019-12-01 16:40:21,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:40:20" (1/1) ... [2019-12-01 16:40:21,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:40:20" (1/1) ... [2019-12-01 16:40:21,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 16:40:21,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 16:40:21,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 16:40:21,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 16:40:21,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:40:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8f0b0cb-e79a-4aee-bafa-bc31d992e1bb/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2019-12-01 16:40:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 16:40:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-01 16:40:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 16:40:21,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 16:40:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 16:40:21,476 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 16:40:21,477 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-12-01 16:40:21,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:40:21 BoogieIcfgContainer [2019-12-01 16:40:21,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 16:40:21,479 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 16:40:21,479 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 16:40:21,488 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 16:40:21,488 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:40:21" (1/1) ... [2019-12-01 16:40:21,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 16:40:21,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:40:21,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2019-12-01 16:40:21,522 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2019-12-01 16:40:21,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 16:40:21,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:40:21,558 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-01 16:40:21,561 INFO L168 Benchmark]: Toolchain (without parser) took 766.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -103.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2019-12-01 16:40:21,561 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 16:40:21,562 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-01 16:40:21,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-01 16:40:21,563 INFO L168 Benchmark]: Boogie Preprocessor took 18.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 16:40:21,563 INFO L168 Benchmark]: RCFGBuilder took 457.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. [2019-12-01 16:40:21,564 INFO L168 Benchmark]: CodeCheck took 80.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 16:40:21,566 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 180.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 457.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. * CodeCheck took 80.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...