./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_83f291b1-cac2-47de-ba25-0efeecac12ce/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_83f291b1-cac2-47de-ba25-0efeecac12ce/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_83f291b1-cac2-47de-ba25-0efeecac12ce/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_83f291b1-cac2-47de-ba25-0efeecac12ce/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c -s /tmp/vcloud-vcloud-master/worker/run_dir_83f291b1-cac2-47de-ba25-0efeecac12ce/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_83f291b1-cac2-47de-ba25-0efeecac12ce/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e996eb39709b4d3238257929f1185fef523dcd9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:53:50,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:53:50,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:53:50,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:53:50,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:53:50,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:53:50,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:53:50,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:53:50,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:53:50,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:53:50,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:53:50,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:53:50,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:53:50,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:53:50,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:53:50,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:53:50,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:53:50,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:53:50,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:53:50,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:53:50,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:53:50,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:53:50,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:53:50,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:53:50,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:53:50,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:53:50,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:53:50,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:53:50,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:53:50,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:53:50,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:53:50,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:53:50,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:53:50,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:53:50,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:53:50,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:53:50,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:53:50,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:53:50,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:53:50,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:53:50,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:53:50,971 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_83f291b1-cac2-47de-ba25-0efeecac12ce/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:53:51,026 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:53:51,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:53:51,031 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:53:51,031 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:53:51,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:53:51,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:53:51,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:53:51,033 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:53:51,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:53:51,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:53:51,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:53:51,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:53:51,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:53:51,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:53:51,036 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:53:51,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:53:51,037 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:53:51,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:53:51,037 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:53:51,038 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:53:51,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:53:51,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:53:51,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:53:51,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:53:51,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:53:51,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:53:51,040 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:53:51,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:53:51,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:53:51,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_83f291b1-cac2-47de-ba25-0efeecac12ce/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_83f291b1-cac2-47de-ba25-0efeecac12ce/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e996eb39709b4d3238257929f1185fef523dcd9 [2020-12-01 17:53:51,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:53:51,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:53:51,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:53:51,405 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:53:51,407 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:53:51,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_83f291b1-cac2-47de-ba25-0efeecac12ce/bin/ukojak/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c [2020-12-01 17:53:51,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_83f291b1-cac2-47de-ba25-0efeecac12ce/bin/ukojak/data/a2f2b630d/0eebe18d4e9641abb58a7d91c49f8639/FLAG652b1f9e5 [2020-12-01 17:53:52,057 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:53:52,058 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_83f291b1-cac2-47de-ba25-0efeecac12ce/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c [2020-12-01 17:53:52,070 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_83f291b1-cac2-47de-ba25-0efeecac12ce/bin/ukojak/data/a2f2b630d/0eebe18d4e9641abb58a7d91c49f8639/FLAG652b1f9e5 [2020-12-01 17:53:52,405 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_83f291b1-cac2-47de-ba25-0efeecac12ce/bin/ukojak/data/a2f2b630d/0eebe18d4e9641abb58a7d91c49f8639 [2020-12-01 17:53:52,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:53:52,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:53:52,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:53:52,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:53:52,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:53:52,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:53:52" (1/1) ... [2020-12-01 17:53:52,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f181404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:52, skipping insertion in model container [2020-12-01 17:53:52,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:53:52" (1/1) ... [2020-12-01 17:53:52,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:53:52,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:53:52,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:53:52,738 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:53:52,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:53:52,866 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:53:52,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:52 WrapperNode [2020-12-01 17:53:52,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:53:52,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:53:52,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:53:52,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:53:52,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:52" (1/1) ... [2020-12-01 17:53:52,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:52" (1/1) ... [2020-12-01 17:53:52,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:53:52,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:53:52,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:53:52,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:53:52,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:52" (1/1) ... [2020-12-01 17:53:52,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:52" (1/1) ... [2020-12-01 17:53:52,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:52" (1/1) ... [2020-12-01 17:53:52,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:52" (1/1) ... [2020-12-01 17:53:52,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:52" (1/1) ... [2020-12-01 17:53:52,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:52" (1/1) ... [2020-12-01 17:53:52,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:52" (1/1) ... [2020-12-01 17:53:52,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:53:52,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:53:52,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:53:52,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:53:52,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83f291b1-cac2-47de-ba25-0efeecac12ce/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 [2020-12-01 17:53:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:53:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:53:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:53:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:53:55,397 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:53:55,398 INFO L298 CfgBuilder]: Removed 19 assume(true) statements. [2020-12-01 17:53:55,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:53:55 BoogieIcfgContainer [2020-12-01 17:53:55,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:53:55,408 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:53:55,410 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:53:55,423 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:53:55,424 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:53:55" (1/1) ... [2020-12-01 17:53:55,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:53:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:55,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2020-12-01 17:53:55,504 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2020-12-01 17:53:55,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:53:55,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:56,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:56,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:56,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2020-12-01 17:53:56,373 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2020-12-01 17:53:56,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:53:56,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:57,388 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2020-12-01 17:53:57,705 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2020-12-01 17:53:57,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:58,034 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2020-12-01 17:53:58,320 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-01 17:53:58,465 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-01 17:53:58,610 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-01 17:53:58,773 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-01 17:53:58,943 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-01 17:53:59,194 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-12-01 17:53:59,352 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-12-01 17:53:59,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:59,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2020-12-01 17:53:59,415 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2020-12-01 17:53:59,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:53:59,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:59,996 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:00,304 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-12-01 17:54:00,624 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2020-12-01 17:54:00,770 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-12-01 17:54:01,166 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2020-12-01 17:54:01,346 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-12-01 17:54:02,075 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2020-12-01 17:54:02,332 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-01 17:54:02,617 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-01 17:54:03,075 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-12-01 17:54:03,370 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-12-01 17:54:03,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:03,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2020-12-01 17:54:03,430 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2020-12-01 17:54:03,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:54:03,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:05,464 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2020-12-01 17:54:06,488 WARN L197 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 132 [2020-12-01 17:54:07,167 WARN L197 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 128 [2020-12-01 17:54:07,805 WARN L197 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2020-12-01 17:54:08,313 WARN L197 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2020-12-01 17:54:08,340 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:08,871 WARN L197 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2020-12-01 17:54:09,872 WARN L197 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2020-12-01 17:54:10,355 WARN L197 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-12-01 17:54:11,200 WARN L197 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 159 [2020-12-01 17:54:11,671 WARN L197 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-12-01 17:54:12,240 WARN L197 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-12-01 17:54:13,199 WARN L197 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 138 [2020-12-01 17:54:14,105 WARN L197 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 155 [2020-12-01 17:54:14,580 WARN L197 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-12-01 17:54:15,037 WARN L197 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-12-01 17:54:15,593 WARN L197 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 133 [2020-12-01 17:54:15,959 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-12-01 17:54:16,536 WARN L197 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 141 [2020-12-01 17:54:16,923 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-12-01 17:54:17,436 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-12-01 17:54:18,158 WARN L197 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 129 [2020-12-01 17:54:18,760 WARN L197 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 137 [2020-12-01 17:54:19,164 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-12-01 17:54:19,620 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-12-01 17:54:20,406 WARN L197 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 132 [2020-12-01 17:54:21,095 WARN L197 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 140 [2020-12-01 17:54:21,516 WARN L197 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-12-01 17:54:21,937 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-12-01 17:54:22,611 WARN L197 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 128 [2020-12-01 17:54:23,040 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-12-01 17:54:23,707 WARN L197 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 136 [2020-12-01 17:54:24,139 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-12-01 17:54:24,609 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-12-01 17:54:25,359 WARN L197 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 123 [2020-12-01 17:54:25,685 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-12-01 17:54:26,075 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-12-01 17:54:26,529 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-12-01 17:54:27,034 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-12-01 17:54:27,579 WARN L197 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-12-01 17:54:28,067 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-12-01 17:54:28,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:28,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 28 states and 70 transitions. [2020-12-01 17:54:28,210 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 70 transitions. [2020-12-01 17:54:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:54:28,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:29,494 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:30,507 WARN L197 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 139 [2020-12-01 17:54:31,313 WARN L197 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 150 [2020-12-01 17:54:31,828 WARN L197 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-12-01 17:54:32,362 WARN L197 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-12-01 17:54:32,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:32,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 29 states and 74 transitions. [2020-12-01 17:54:32,566 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 74 transitions. [2020-12-01 17:54:32,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:54:32,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:35,201 WARN L197 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 133 [2020-12-01 17:54:36,004 WARN L197 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 134 [2020-12-01 17:54:36,554 WARN L197 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-12-01 17:54:37,118 WARN L197 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-12-01 17:54:37,876 WARN L197 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2020-12-01 17:54:38,561 WARN L197 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 130 [2020-12-01 17:54:39,094 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-12-01 17:54:39,593 WARN L197 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-12-01 17:54:40,348 WARN L197 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 139 [2020-12-01 17:54:40,833 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-12-01 17:54:41,379 WARN L197 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 99 [2020-12-01 17:54:42,185 WARN L197 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 132 [2020-12-01 17:54:42,577 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-12-01 17:54:43,099 WARN L197 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-12-01 17:54:43,623 WARN L197 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 95 [2020-12-01 17:54:44,328 WARN L197 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 128 [2020-12-01 17:54:44,735 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-12-01 17:54:45,323 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-12-01 17:54:45,625 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 26 [2020-12-01 17:54:46,730 WARN L197 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 138 [2020-12-01 17:54:47,596 WARN L197 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-12-01 17:54:48,566 WARN L197 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-12-01 17:54:49,459 WARN L197 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-12-01 17:54:49,715 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 32 [2020-12-01 17:54:50,271 WARN L197 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-12-01 17:54:51,288 WARN L197 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-12-01 17:54:51,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:51,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 38 states and 105 transitions. [2020-12-01 17:54:51,513 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 105 transitions. [2020-12-01 17:54:51,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:54:51,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:54:52,398 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:54:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:54:53,578 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:54:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:54:55,770 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:54:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:54:56,663 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:55:04,474 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2020-12-01 17:55:04,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:55:04 ImpRootNode [2020-12-01 17:55:04,665 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:55:04,666 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:55:04,668 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:55:04,669 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:55:04,670 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:53:55" (3/4) ... [2020-12-01 17:55:04,673 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 17:55:04,893 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_83f291b1-cac2-47de-ba25-0efeecac12ce/bin/ukojak/witness.graphml [2020-12-01 17:55:04,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:55:04,895 INFO L168 Benchmark]: Toolchain (without parser) took 72484.29 ms. Allocated memory was 79.7 MB in the beginning and 394.3 MB in the end (delta: 314.6 MB). Free memory was 50.6 MB in the beginning and 201.7 MB in the end (delta: -151.1 MB). Peak memory consumption was 162.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:04,895 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory is still 35.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:55:04,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.16 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 50.4 MB in the beginning and 73.9 MB in the end (delta: -23.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:04,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.79 ms. Allocated memory is still 100.7 MB. Free memory was 73.9 MB in the beginning and 71.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:04,897 INFO L168 Benchmark]: Boogie Preprocessor took 43.94 ms. Allocated memory is still 100.7 MB. Free memory was 71.5 MB in the beginning and 70.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:04,899 INFO L168 Benchmark]: RCFGBuilder took 2422.51 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 69.7 MB in the beginning and 94.0 MB in the end (delta: -24.3 MB). Peak memory consumption was 41.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:04,899 INFO L168 Benchmark]: CodeCheck took 69257.36 ms. Allocated memory was 121.6 MB in the beginning and 394.3 MB in the end (delta: 272.6 MB). Free memory was 94.0 MB in the beginning and 211.1 MB in the end (delta: -117.1 MB). Peak memory consumption was 155.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:04,900 INFO L168 Benchmark]: Witness Printer took 227.19 ms. Allocated memory is still 394.3 MB. Free memory was 211.1 MB in the beginning and 201.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:55:04,903 INFO L339 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, 7 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 69.0s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 372 SDtfs, 486 SDslu, 770 SDs, 0 SdLazy, 1962 SolverSat, 462 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 797 GetRequests, 646 SyntacticMatches, 21 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8268 ImplicationChecksByTransitivity, 48.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 4.3s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 66381 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 0/65 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 - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L25] msg_t nomsg = (msg_t )-1; [L26] char r1 ; [L27] port_t p1 ; [L28] char p1_old ; [L29] char p1_new ; [L30] char id1 ; [L31] char st1 ; [L32] msg_t send1 ; [L33] _Bool mode1 ; [L34] _Bool alive1 ; [L35] port_t p2 ; [L36] char p2_old ; [L37] char p2_new ; [L38] char id2 ; [L39] char st2 ; [L40] msg_t send2 ; [L41] _Bool mode2 ; [L42] _Bool alive2 ; [L43] port_t p3 ; [L44] char p3_old ; [L45] char p3_new ; [L46] char id3 ; [L47] char st3 ; [L48] msg_t send3 ; [L49] _Bool mode3 ; [L50] _Bool alive3 ; [L255] int c1 ; [L256] int i2 ; [L259] c1 = 0 [L260] r1 = __VERIFIER_nondet_char() [L261] id1 = __VERIFIER_nondet_char() [L262] st1 = __VERIFIER_nondet_char() [L263] send1 = __VERIFIER_nondet_char() [L264] mode1 = __VERIFIER_nondet_bool() [L265] alive1 = __VERIFIER_nondet_bool() [L266] id2 = __VERIFIER_nondet_char() [L267] st2 = __VERIFIER_nondet_char() [L268] send2 = __VERIFIER_nondet_char() [L269] mode2 = __VERIFIER_nondet_bool() [L270] alive2 = __VERIFIER_nondet_bool() [L271] id3 = __VERIFIER_nondet_char() [L272] st3 = __VERIFIER_nondet_char() [L273] send3 = __VERIFIER_nondet_char() [L274] mode3 = __VERIFIER_nondet_bool() [L275] alive3 = __VERIFIER_nondet_bool() [L158] int tmp ; [L161] COND TRUE (int )r1 == 0 [L162] COND TRUE ((int )alive1 + (int )alive2) + (int )alive3 >= 1 [L163] COND TRUE (int )id1 >= 0 [L164] COND TRUE (int )st1 == 0 [L165] COND TRUE (int )send1 == (int )id1 [L166] COND TRUE (int )mode1 == 0 [L167] COND TRUE (int )id2 >= 0 [L168] COND TRUE (int )st2 == 0 [L169] COND TRUE (int )send2 == (int )id2 [L170] COND TRUE (int )mode2 == 0 [L171] COND TRUE (int )id3 >= 0 [L172] COND TRUE (int )st3 == 0 [L173] COND TRUE (int )send3 == (int )id3 [L174] COND TRUE (int )mode3 == 0 [L175] COND TRUE (int )id1 != (int )id2 [L176] COND TRUE (int )id1 != (int )id3 [L177] COND TRUE (int )id2 != (int )id3 [L178] tmp = 1 [L230] return (tmp); [L276] i2 = init() [L277] COND FALSE !(!(i2)) [L278] p1_old = nomsg [L279] p1_new = nomsg [L280] p2_old = nomsg [L281] p2_new = nomsg [L282] p3_old = nomsg [L283] p3_new = nomsg [L284] i2 = 0 VAL [alive1=1, alive2=0, alive3=255, id1=2, id2=0, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=2, send2=0, send3=1, st1=0, st2=0, st3=0] [L285] COND TRUE i2 < 6 [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND FALSE !(\read(mode1)) [L77] COND TRUE \read(alive1) [L78] EXPR send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L78] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L83] mode1 = (_Bool)1 [L90] msg_t m2 ; [L93] m2 = nomsg [L94] COND FALSE !(\read(mode2)) [L111] COND FALSE !(\read(alive2)) [L114] COND FALSE !((int )send2 != (int )id2) [L117] mode2 = (_Bool)1 [L124] msg_t m3 ; [L127] m3 = nomsg [L128] COND FALSE !(\read(mode3)) [L145] COND TRUE \read(alive3) [L146] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L146] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L151] mode3 = (_Bool)1 [L290] p1_old = p1_new [L291] p1_new = nomsg [L292] p2_old = p2_new [L293] p2_new = nomsg [L294] p3_old = p3_new [L295] p3_new = nomsg [L235] int tmp ; [L238] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L239] COND TRUE (int )r1 < 3 [L240] tmp = 1 [L250] return (tmp); [L296] c1 = check() [L309] COND FALSE !(! arg) VAL [alive1=1, alive2=0, alive3=255, id1=2, id2=0, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=2, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=1, r1=0, send1=2, send2=0, send3=1, st1=0, st2=0, st3=0] [L298] i2 ++ VAL [alive1=1, alive2=0, alive3=255, id1=2, id2=0, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=2, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=1, r1=0, send1=2, send2=0, send3=1, st1=0, st2=0, st3=0] [L285] COND TRUE i2 < 6 [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND TRUE \read(mode1) [L58] r1 = (char )((int )r1 + 1) [L59] m1 = p3_old [L60] p3_old = nomsg [L61] COND TRUE (int )m1 != (int )nomsg [L62] COND TRUE \read(alive1) [L63] COND FALSE !((int )m1 > (int )id1) [L66] COND FALSE !((int )m1 == (int )id1) [L69] send1 = m1 [L75] mode1 = (_Bool)0 [L90] msg_t m2 ; [L93] m2 = nomsg [L94] COND TRUE \read(mode2) [L95] m2 = p1_old [L96] p1_old = nomsg [L97] COND TRUE (int )m2 != (int )nomsg [L98] COND FALSE !(\read(alive2)) [L106] send2 = m2 [L109] mode2 = (_Bool)0 [L124] msg_t m3 ; [L127] m3 = nomsg [L128] COND TRUE \read(mode3) [L129] m3 = p2_old [L130] p2_old = nomsg [L131] COND FALSE !((int )m3 != (int )nomsg) [L143] mode3 = (_Bool)0 [L290] p1_old = p1_new [L291] p1_new = nomsg [L292] p2_old = p2_new [L293] p2_new = nomsg [L294] p3_old = p3_new [L295] p3_new = nomsg [L235] int tmp ; [L238] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L239] COND TRUE (int )r1 < 3 [L240] tmp = 1 [L250] return (tmp); [L296] c1 = check() [L309] COND FALSE !(! arg) VAL [alive1=1, alive2=0, alive3=255, id1=2, id2=0, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L298] i2 ++ VAL [alive1=1, alive2=0, alive3=255, id1=2, id2=0, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L285] COND TRUE i2 < 6 [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND FALSE !(\read(mode1)) [L77] COND TRUE \read(alive1) [L78] EXPR send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L78] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L83] mode1 = (_Bool)1 [L90] msg_t m2 ; [L93] m2 = nomsg [L94] COND FALSE !(\read(mode2)) [L111] COND FALSE !(\read(alive2)) [L114] COND TRUE (int )send2 != (int )id2 [L115] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L115] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L117] mode2 = (_Bool)1 [L124] msg_t m3 ; [L127] m3 = nomsg [L128] COND FALSE !(\read(mode3)) [L145] COND TRUE \read(alive3) [L146] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L146] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L151] mode3 = (_Bool)1 [L290] p1_old = p1_new [L291] p1_new = nomsg [L292] p2_old = p2_new [L293] p2_new = nomsg [L294] p3_old = p3_new [L295] p3_new = nomsg [L235] int tmp ; [L238] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L239] COND TRUE (int )r1 < 3 [L240] tmp = 1 [L250] return (tmp); [L296] c1 = check() [L309] COND FALSE !(! arg) VAL [alive1=1, alive2=0, alive3=255, id1=2, id2=0, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=1, p2=0, p2_new=-1, p2_old=2, p3=0, p3_new=-1, p3_old=1, r1=1, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L298] i2 ++ VAL [alive1=1, alive2=0, alive3=255, id1=2, id2=0, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=1, p2=0, p2_new=-1, p2_old=2, p3=0, p3_new=-1, p3_old=1, r1=1, send1=1, send2=2, send3=1, st1=0, st2=0, st3=0] [L285] COND TRUE i2 < 6 [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND TRUE \read(mode1) [L58] r1 = (char )((int )r1 + 1) [L59] m1 = p3_old [L60] p3_old = nomsg [L61] COND TRUE (int )m1 != (int )nomsg [L62] COND TRUE \read(alive1) [L63] COND FALSE !((int )m1 > (int )id1) [L66] COND FALSE !((int )m1 == (int )id1) [L69] send1 = m1 [L75] mode1 = (_Bool)0 [L90] msg_t m2 ; [L93] m2 = nomsg [L94] COND TRUE \read(mode2) [L95] m2 = p1_old [L96] p1_old = nomsg [L97] COND TRUE (int )m2 != (int )nomsg [L98] COND FALSE !(\read(alive2)) [L106] send2 = m2 [L109] mode2 = (_Bool)0 [L124] msg_t m3 ; [L127] m3 = nomsg [L128] COND TRUE \read(mode3) [L129] m3 = p2_old [L130] p2_old = nomsg [L131] COND TRUE (int )m3 != (int )nomsg [L132] COND TRUE \read(alive3) [L133] COND TRUE (int )m3 > (int )id3 [L134] send3 = m3 [L143] mode3 = (_Bool)0 [L290] p1_old = p1_new [L291] p1_new = nomsg [L292] p2_old = p2_new [L293] p2_new = nomsg [L294] p3_old = p3_new [L295] p3_new = nomsg [L235] int tmp ; [L238] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L239] COND TRUE (int )r1 < 3 [L240] tmp = 1 [L250] return (tmp); [L296] c1 = check() [L309] COND FALSE !(! arg) VAL [alive1=1, alive2=0, alive3=255, id1=2, id2=0, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=1, send2=1, send3=2, st1=0, st2=0, st3=0] [L298] i2 ++ VAL [alive1=1, alive2=0, alive3=255, id1=2, id2=0, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=1, send2=1, send3=2, st1=0, st2=0, st3=0] [L285] COND TRUE i2 < 6 [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND FALSE !(\read(mode1)) [L77] COND TRUE \read(alive1) [L78] EXPR send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L78] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L83] mode1 = (_Bool)1 [L90] msg_t m2 ; [L93] m2 = nomsg [L94] COND FALSE !(\read(mode2)) [L111] COND FALSE !(\read(alive2)) [L114] COND TRUE (int )send2 != (int )id2 [L115] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L115] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L117] mode2 = (_Bool)1 [L124] msg_t m3 ; [L127] m3 = nomsg [L128] COND FALSE !(\read(mode3)) [L145] COND TRUE \read(alive3) [L146] EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L146] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L151] mode3 = (_Bool)1 [L290] p1_old = p1_new [L291] p1_new = nomsg [L292] p2_old = p2_new [L293] p2_new = nomsg [L294] p3_old = p3_new [L295] p3_new = nomsg [L235] int tmp ; [L238] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 [L239] COND TRUE (int )r1 < 3 [L240] tmp = 1 [L250] return (tmp); [L296] c1 = check() [L309] COND FALSE !(! arg) VAL [alive1=1, alive2=0, alive3=255, id1=2, id2=0, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=1, p2=0, p2_new=-1, p2_old=1, p3=0, p3_new=-1, p3_old=2, r1=2, send1=1, send2=1, send3=2, st1=0, st2=0, st3=0] [L298] i2 ++ VAL [alive1=1, alive2=0, alive3=255, id1=2, id2=0, id3=1, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=1, p2=0, p2_new=-1, p2_old=1, p3=0, p3_new=-1, p3_old=2, r1=2, send1=1, send2=1, send3=2, st1=0, st2=0, st3=0] [L285] COND TRUE i2 < 6 [L53] msg_t m1 ; [L56] m1 = nomsg [L57] COND TRUE \read(mode1) [L58] r1 = (char )((int )r1 + 1) [L59] m1 = p3_old [L60] p3_old = nomsg [L61] COND TRUE (int )m1 != (int )nomsg [L62] COND TRUE \read(alive1) [L63] COND FALSE !((int )m1 > (int )id1) [L66] COND TRUE (int )m1 == (int )id1 [L67] st1 = (char)1 [L75] mode1 = (_Bool)0 [L90] msg_t m2 ; [L93] m2 = nomsg [L94] COND TRUE \read(mode2) [L95] m2 = p1_old [L96] p1_old = nomsg [L97] COND TRUE (int )m2 != (int )nomsg [L98] COND FALSE !(\read(alive2)) [L106] send2 = m2 [L109] mode2 = (_Bool)0 [L124] msg_t m3 ; [L127] m3 = nomsg [L128] COND TRUE \read(mode3) [L129] m3 = p2_old [L130] p2_old = nomsg [L131] COND TRUE (int )m3 != (int )nomsg [L132] COND TRUE \read(alive3) [L133] COND FALSE !((int )m3 > (int )id3) [L136] COND TRUE (int )m3 == (int )id3 [L137] st3 = (char)1 [L143] mode3 = (_Bool)0 [L290] p1_old = p1_new [L291] p1_new = nomsg [L292] p2_old = p2_new [L293] p2_new = nomsg [L294] p3_old = p3_new [L295] p3_new = nomsg [L235] int tmp ; [L238] COND FALSE !(((int )st1 + (int )st2) + (int )st3 <= 1) [L248] tmp = 0 [L250] return (tmp); [L296] c1 = check() [L309] COND TRUE ! arg VAL [alive1=1, alive2=0, alive3=255, id1=2, id2=0, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=1, send2=1, send3=2, st1=1, st2=0, st3=1] [L3] __assert_fail("0", "pals_lcr-var-start-time.3.1.ufo.BOUNDED-6.pals.c", 3, "reach_error") VAL [alive1=1, alive2=0, alive3=255, id1=2, id2=0, id3=1, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=1, send2=1, send3=2, st1=1, st2=0, st3=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory is still 35.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 458.16 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 50.4 MB in the beginning and 73.9 MB in the end (delta: -23.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.79 ms. Allocated memory is still 100.7 MB. Free memory was 73.9 MB in the beginning and 71.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.94 ms. Allocated memory is still 100.7 MB. Free memory was 71.5 MB in the beginning and 70.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2422.51 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 69.7 MB in the beginning and 94.0 MB in the end (delta: -24.3 MB). Peak memory consumption was 41.5 MB. Max. memory is 16.1 GB. * CodeCheck took 69257.36 ms. Allocated memory was 121.6 MB in the beginning and 394.3 MB in the end (delta: 272.6 MB). Free memory was 94.0 MB in the beginning and 211.1 MB in the end (delta: -117.1 MB). Peak memory consumption was 155.5 MB. Max. memory is 16.1 GB. * Witness Printer took 227.19 ms. Allocated memory is still 394.3 MB. Free memory was 211.1 MB in the beginning and 201.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...