./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a70ed95-2442-4dc2-b702-13f8aaca74d3/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a70ed95-2442-4dc2-b702-13f8aaca74d3/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a70ed95-2442-4dc2-b702-13f8aaca74d3/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a70ed95-2442-4dc2-b702-13f8aaca74d3/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a70ed95-2442-4dc2-b702-13f8aaca74d3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a70ed95-2442-4dc2-b702-13f8aaca74d3/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 90eaf2e76e590922119d90e478fc764e383193134f46d6fe59bc98f3ce7c6611 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:30:24,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:30:24,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:30:24,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:30:24,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:30:24,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:30:24,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:30:24,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:30:24,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:30:24,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:30:24,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:30:24,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:30:24,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:30:24,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:30:24,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:30:24,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:30:24,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:30:24,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:30:24,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:30:24,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:30:24,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:30:24,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:30:24,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:30:24,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:30:24,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:30:24,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:30:24,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:30:24,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:30:24,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:30:24,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:30:24,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:30:24,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:30:24,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:30:24,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:30:24,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:30:24,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:30:24,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:30:24,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:30:24,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:30:24,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:30:24,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:30:24,747 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a70ed95-2442-4dc2-b702-13f8aaca74d3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:30:24,785 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:30:24,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:30:24,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:30:24,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:30:24,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:30:24,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:30:24,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:30:24,789 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:30:24,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:30:24,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:30:24,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:30:24,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:30:24,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:30:24,791 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:30:24,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:30:24,792 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:30:24,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:30:24,792 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:30:24,792 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:30:24,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:30:24,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:30:24,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:30:24,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:30:24,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:30:24,794 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:30:24,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:30:24,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:30:24,794 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_worker_vcloud-master_on_vcloud-master/run_dir_7a70ed95-2442-4dc2-b702-13f8aaca74d3/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a70ed95-2442-4dc2-b702-13f8aaca74d3/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90eaf2e76e590922119d90e478fc764e383193134f46d6fe59bc98f3ce7c6611 [2022-11-20 17:30:25,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:30:25,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:30:25,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:30:25,144 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:30:25,145 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:30:25,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a70ed95-2442-4dc2-b702-13f8aaca74d3/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2022-11-20 17:30:28,293 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:30:28,654 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:30:28,654 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a70ed95-2442-4dc2-b702-13f8aaca74d3/sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2022-11-20 17:30:28,672 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a70ed95-2442-4dc2-b702-13f8aaca74d3/bin/ukojak-pZX7IvK2PQ/data/638f43b29/e119b43766fc43d6a38fdd9aeb51c735/FLAGa9c8dded0 [2022-11-20 17:30:28,688 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a70ed95-2442-4dc2-b702-13f8aaca74d3/bin/ukojak-pZX7IvK2PQ/data/638f43b29/e119b43766fc43d6a38fdd9aeb51c735 [2022-11-20 17:30:28,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:30:28,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:30:28,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:30:28,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:30:28,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:30:28,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:30:28" (1/1) ... [2022-11-20 17:30:28,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2295fff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:28, skipping insertion in model container [2022-11-20 17:30:28,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:30:28" (1/1) ... [2022-11-20 17:30:28,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:30:28,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:30:29,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:30:29,578 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:30:29,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:30:29,775 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:30:29,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29 WrapperNode [2022-11-20 17:30:29,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:30:29,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:30:29,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:30:29,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:30:29,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2022-11-20 17:30:29,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2022-11-20 17:30:29,892 INFO L138 Inliner]: procedures = 345, calls = 111, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 271 [2022-11-20 17:30:29,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:30:29,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:30:29,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:30:29,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:30:29,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2022-11-20 17:30:29,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2022-11-20 17:30:29,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2022-11-20 17:30:29,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2022-11-20 17:30:29,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2022-11-20 17:30:29,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2022-11-20 17:30:29,938 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2022-11-20 17:30:29,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2022-11-20 17:30:29,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:30:29,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:30:29,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:30:29,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:30:29,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:30:29" (1/1) ... [2022-11-20 17:30:29,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:30:29,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a70ed95-2442-4dc2-b702-13f8aaca74d3/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:30:30,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a70ed95-2442-4dc2-b702-13f8aaca74d3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:30:30,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a70ed95-2442-4dc2-b702-13f8aaca74d3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:30:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:30:30,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:30:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:30:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:30:30,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:30:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:30:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-11-20 17:30:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:30:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2022-11-20 17:30:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:30:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:30:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:30:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:30:30,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:30:30,353 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:30:30,356 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:30:30,812 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:30:30,901 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:30:30,902 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-20 17:30:30,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:30:30 BoogieIcfgContainer [2022-11-20 17:30:30,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:30:30,906 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:30:30,906 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:30:30,922 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:30:30,922 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:30:30" (1/1) ... [2022-11-20 17:30:30,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:30:31,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:31,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 69 states and 81 transitions. [2022-11-20 17:30:31,027 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2022-11-20 17:30:31,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:30:31,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:31,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:31,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:30:31,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:31,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2022-11-20 17:30:31,458 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2022-11-20 17:30:31,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:30:31,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:31,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:30:31,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:31,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 72 states and 85 transitions. [2022-11-20 17:30:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2022-11-20 17:30:31,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:30:31,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:31,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:31,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:30:31,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:31,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2022-11-20 17:30:31,681 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2022-11-20 17:30:31,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:30:31,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:31,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:31,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:30:31,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:31,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 70 states and 82 transitions. [2022-11-20 17:30:31,899 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 82 transitions. [2022-11-20 17:30:31,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:30:31,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:31,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:31,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:30:32,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:32,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 71 states and 83 transitions. [2022-11-20 17:30:32,078 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2022-11-20 17:30:32,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:30:32,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:32,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:32,243 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:30:32,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:32,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 74 states and 86 transitions. [2022-11-20 17:30:32,387 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 86 transitions. [2022-11-20 17:30:32,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:30:32,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:32,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:32,551 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:30:32,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:32,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2022-11-20 17:30:32,714 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2022-11-20 17:30:32,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:30:32,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:32,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:32,874 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:30:33,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:33,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 92 transitions. [2022-11-20 17:30:33,044 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2022-11-20 17:30:33,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:30:33,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:33,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:33,231 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:30:33,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:33,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 83 states and 95 transitions. [2022-11-20 17:30:33,427 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 95 transitions. [2022-11-20 17:30:33,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:30:33,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:33,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:33,607 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:30:33,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:33,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 86 states and 98 transitions. [2022-11-20 17:30:33,780 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2022-11-20 17:30:33,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:30:33,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:33,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:33,955 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:30:34,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:34,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 89 states and 101 transitions. [2022-11-20 17:30:34,145 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2022-11-20 17:30:34,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:30:34,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:34,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:34,356 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:30:34,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:34,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 92 states and 104 transitions. [2022-11-20 17:30:34,552 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2022-11-20 17:30:34,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:30:34,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:34,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:30:34,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:34,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 95 states and 106 transitions. [2022-11-20 17:30:34,891 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 106 transitions. [2022-11-20 17:30:34,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 17:30:34,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:34,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:35,103 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 17:30:35,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:35,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 94 states and 105 transitions. [2022-11-20 17:30:35,181 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2022-11-20 17:30:35,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:30:35,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:35,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:35,410 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 17:30:35,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:35,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 93 states and 104 transitions. [2022-11-20 17:30:35,566 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2022-11-20 17:30:35,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 17:30:35,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:35,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:35,695 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 17:30:35,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:35,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 92 states and 103 transitions. [2022-11-20 17:30:35,822 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2022-11-20 17:30:35,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 17:30:35,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:35,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:35,949 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 17:30:36,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 91 states and 102 transitions. [2022-11-20 17:30:36,086 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2022-11-20 17:30:36,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 17:30:36,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:36,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:36,261 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 17:30:36,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:36,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 93 states and 105 transitions. [2022-11-20 17:30:36,339 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2022-11-20 17:30:36,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 17:30:36,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:36,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:36,523 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 17:30:36,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:36,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 94 states and 106 transitions. [2022-11-20 17:30:36,545 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2022-11-20 17:30:36,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 17:30:36,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:36,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:36,737 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 17:30:36,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:36,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 67 states and 72 transitions. [2022-11-20 17:30:36,787 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2022-11-20 17:30:36,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-20 17:30:36,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:36,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:36,924 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 17:30:36,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:36,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 69 states and 75 transitions. [2022-11-20 17:30:36,992 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2022-11-20 17:30:36,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 17:30:36,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:36,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:37,173 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-20 17:30:37,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:37,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 68 states and 74 transitions. [2022-11-20 17:30:37,298 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2022-11-20 17:30:37,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 17:30:37,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:37,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:37,524 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-20 17:30:37,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:37,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 74 states and 85 transitions. [2022-11-20 17:30:37,956 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2022-11-20 17:30:37,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 17:30:37,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:37,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:38,074 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 17:30:38,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:38,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 75 states and 86 transitions. [2022-11-20 17:30:38,095 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2022-11-20 17:30:38,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 17:30:38,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:38,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:38,301 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 17:30:38,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:38,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 78 states and 91 transitions. [2022-11-20 17:30:38,815 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2022-11-20 17:30:38,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 17:30:38,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:38,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:38,945 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-20 17:30:38,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:38,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2022-11-20 17:30:38,968 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2022-11-20 17:30:38,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 17:30:38,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:38,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:39,137 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-20 17:30:39,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:39,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 78 states and 91 transitions. [2022-11-20 17:30:39,313 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2022-11-20 17:30:39,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 17:30:39,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:39,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:39,461 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-20 17:30:39,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:39,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 92 transitions. [2022-11-20 17:30:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2022-11-20 17:30:39,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 17:30:39,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:39,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:40,017 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 17:30:40,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:40,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2022-11-20 17:30:40,369 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2022-11-20 17:30:40,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 17:30:40,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:40,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 17:30:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 80 states and 91 transitions. [2022-11-20 17:30:40,818 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2022-11-20 17:30:40,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 17:30:40,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:40,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:40,987 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-20 17:30:41,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:41,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 82 states and 95 transitions. [2022-11-20 17:30:41,070 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2022-11-20 17:30:41,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-20 17:30:41,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:41,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:41,318 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-11-20 17:30:41,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:41,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 83 states and 96 transitions. [2022-11-20 17:30:41,598 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2022-11-20 17:30:41,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-20 17:30:41,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:41,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:41,710 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-20 17:30:41,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:41,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 84 states and 97 transitions. [2022-11-20 17:30:41,733 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 97 transitions. [2022-11-20 17:30:41,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 17:30:41,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:41,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:41,928 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-20 17:30:42,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 86 states and 101 transitions. [2022-11-20 17:30:42,133 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2022-11-20 17:30:42,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 17:30:42,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:42,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:42,338 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-20 17:30:42,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:42,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 87 states and 102 transitions. [2022-11-20 17:30:42,610 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2022-11-20 17:30:42,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 17:30:42,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:42,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:42,805 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-20 17:30:43,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:43,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 86 states and 99 transitions. [2022-11-20 17:30:43,141 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 99 transitions. [2022-11-20 17:30:43,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 17:30:43,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:43,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:43,337 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-20 17:30:43,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:43,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2022-11-20 17:30:43,603 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2022-11-20 17:30:43,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-20 17:30:43,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:43,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:43,811 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-20 17:30:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:46,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 100 states and 118 transitions. [2022-11-20 17:30:46,763 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions. [2022-11-20 17:30:46,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 17:30:46,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:46,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:47,094 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-20 17:30:48,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:48,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 109 states and 130 transitions. [2022-11-20 17:30:48,824 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2022-11-20 17:30:48,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-20 17:30:48,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:48,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:49,135 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-20 17:30:51,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:51,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 107 states and 125 transitions. [2022-11-20 17:30:51,388 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2022-11-20 17:30:51,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-20 17:30:51,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:51,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:51,517 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-20 17:30:52,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:52,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 109 states and 126 transitions. [2022-11-20 17:30:52,090 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2022-11-20 17:30:52,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 17:30:52,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:52,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:52,259 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-11-20 17:30:52,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:52,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 110 states and 126 transitions. [2022-11-20 17:30:52,704 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2022-11-20 17:30:52,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 17:30:52,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:52,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:53,157 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-11-20 17:30:59,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:59,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 120 states and 140 transitions. [2022-11-20 17:30:59,418 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2022-11-20 17:30:59,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-20 17:30:59,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:59,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:59,716 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-11-20 17:31:01,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:31:01,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 88 states and 98 transitions. [2022-11-20 17:31:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2022-11-20 17:31:01,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:31:01,982 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 45 iterations. [2022-11-20 17:31:02,001 INFO L754 CodeCheckObserver]: All specifications hold 24 specifications checked. All of them hold [2022-11-20 17:31:02,505 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 17:31:02,515 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 17:31:02,516 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-20 17:31:02,516 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2022-11-20 17:31:02,525 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-11-20 17:31:02,527 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-11-20 17:31:02,532 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-11-20 17:31:02,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:31:02 ImpRootNode [2022-11-20 17:31:02,540 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:31:02,540 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:31:02,541 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:31:02,541 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:31:02,542 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:30:30" (3/4) ... [2022-11-20 17:31:02,553 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:31:02,559 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-20 17:31:02,567 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-11-20 17:31:02,571 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-20 17:31:02,571 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 17:31:02,572 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:31:02,572 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:31:02,573 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:31:02,696 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a70ed95-2442-4dc2-b702-13f8aaca74d3/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:31:02,699 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:31:02,700 INFO L158 Benchmark]: Toolchain (without parser) took 34008.14ms. Allocated memory was 157.3MB in the beginning and 465.6MB in the end (delta: 308.3MB). Free memory was 109.0MB in the beginning and 246.8MB in the end (delta: -137.8MB). Peak memory consumption was 172.8MB. Max. memory is 16.1GB. [2022-11-20 17:31:02,701 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 157.3MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:31:02,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1083.57ms. Allocated memory is still 157.3MB. Free memory was 109.0MB in the beginning and 67.9MB in the end (delta: 41.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-20 17:31:02,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.68ms. Allocated memory is still 157.3MB. Free memory was 67.9MB in the beginning and 64.2MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:31:02,703 INFO L158 Benchmark]: Boogie Preprocessor took 51.48ms. Allocated memory is still 157.3MB. Free memory was 64.2MB in the beginning and 62.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:31:02,704 INFO L158 Benchmark]: RCFGBuilder took 959.31ms. Allocated memory was 157.3MB in the beginning and 222.3MB in the end (delta: 65.0MB). Free memory was 61.7MB in the beginning and 161.1MB in the end (delta: -99.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-11-20 17:31:02,704 INFO L158 Benchmark]: CodeCheck took 31633.96ms. Allocated memory was 222.3MB in the beginning and 465.6MB in the end (delta: 243.3MB). Free memory was 161.1MB in the beginning and 253.1MB in the end (delta: -92.0MB). Peak memory consumption was 152.3MB. Max. memory is 16.1GB. [2022-11-20 17:31:02,706 INFO L158 Benchmark]: Witness Printer took 159.30ms. Allocated memory is still 465.6MB. Free memory was 253.1MB in the beginning and 246.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 17:31:02,710 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 2 procedures, 69 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 31.0s, OverallIterations: 45, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4666 SdHoareTripleChecker+Valid, 21.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3435 mSDsluCounter, 445 SdHoareTripleChecker+Invalid, 17.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 3205 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12407 IncrementalHoareTripleChecker+Invalid, 15612 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3205 mSolverCounterUnsat, 423 mSDtfsCounter, 12407 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10886 GetRequests, 10522 SyntacticMatches, 10 SemanticMatches, 354 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57270 ImplicationChecksByTransitivity, 21.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 1763 NumberOfCodeBlocks, 1763 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 1719 ConstructedInterpolants, 0 QuantifiedInterpolants, 2586 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 44 InterpolantComputations, 19 PerfectInterpolantSequences, 4751/5312 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: 1325]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1325]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1332]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1332]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1340]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1340]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1335]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1335]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1192]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1192]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1197]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1197]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1202]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1202]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1206]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1206]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1213]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1213]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1344]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1344]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold - InvariantResult [Line: 1172]: Loop Invariant Derived loop invariant: argc <= 2147483646 - InvariantResult [Line: 1172]: Loop Invariant Derived loop invariant: argc <= 2147483646 - InvariantResult [Line: 1325]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 1340]: Loop Invariant Derived loop invariant: ((((((argc <= 2147483646 && 1 <= j) && i == 0) || (((i <= 1 && argc <= 2147483646) && j == 0) && 1 <= i)) || ((argc <= 2147483646 && i == 0) && j == 0)) || (((argc <= 2147483646 && !(i <= 1)) && 1 <= j) && i <= 2147483645)) || (((argc <= 2147483646 && !(i <= 1)) && j == 0) && i <= 2147483645)) || (((i <= 1 && argc <= 2147483646) && 1 <= j) && 1 <= i) - InvariantResult [Line: 1335]: Loop Invariant Derived loop invariant: (argc <= 2147483646 && i == 0) || (argc <= 2147483646 && 1 <= i) - InvariantResult [Line: 1236]: Loop Invariant Derived loop invariant: (argc <= 2147483646 && i == 0) || (argc <= 2147483646 && 1 <= i) - InvariantResult [Line: 1344]: Loop Invariant Derived loop invariant: (i == 0 && argc <= 2147483646) || (argc <= 2147483646 && 1 <= i) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 157.3MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1083.57ms. Allocated memory is still 157.3MB. Free memory was 109.0MB in the beginning and 67.9MB in the end (delta: 41.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.68ms. Allocated memory is still 157.3MB. Free memory was 67.9MB in the beginning and 64.2MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.48ms. Allocated memory is still 157.3MB. Free memory was 64.2MB in the beginning and 62.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 959.31ms. Allocated memory was 157.3MB in the beginning and 222.3MB in the end (delta: 65.0MB). Free memory was 61.7MB in the beginning and 161.1MB in the end (delta: -99.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * CodeCheck took 31633.96ms. Allocated memory was 222.3MB in the beginning and 465.6MB in the end (delta: 243.3MB). Free memory was 161.1MB in the beginning and 253.1MB in the end (delta: -92.0MB). Peak memory consumption was 152.3MB. Max. memory is 16.1GB. * Witness Printer took 159.30ms. Allocated memory is still 465.6MB. Free memory was 253.1MB in the beginning and 246.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:31:02,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a70ed95-2442-4dc2-b702-13f8aaca74d3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE