./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0504_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_b5537dba-d710-49d7-a013-0d677b57c453/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5537dba-d710-49d7-a013-0d677b57c453/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_b5537dba-d710-49d7-a013-0d677b57c453/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5537dba-d710-49d7-a013-0d677b57c453/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0504_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5537dba-d710-49d7-a013-0d677b57c453/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5537dba-d710-49d7-a013-0d677b57c453/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 32bit --witnessprinter.graph.data.programhash ad4b9fd301578a7ddb25530c70896459a49284f596306d3b6d0c853e43916174 --- 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 17:01:16,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:01:16,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:01:16,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:01:16,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:01:16,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:01:16,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:01:16,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:01:16,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:01:16,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:01:16,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:01:16,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:01:16,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:01:16,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:01:16,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:01:16,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:01:16,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:01:16,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:01:16,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:01:16,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:01:16,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:01:16,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:01:16,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:01:16,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:01:16,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:01:16,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:01:16,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:01:16,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:01:16,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:01:16,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:01:16,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:01:16,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:01:16,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:01:16,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:01:16,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:01:16,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:01:16,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:01:16,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:01:16,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:01:16,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:01:16,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:01:16,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5537dba-d710-49d7-a013-0d677b57c453/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:01:16,605 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:01:16,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:01:16,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:01:16,607 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:01:16,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:01:16,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:01:16,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:01:16,608 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:01:16,608 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:01:16,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:01:16,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:01:16,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:01:16,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:01:16,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:01:16,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:01:16,611 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:01:16,611 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:01:16,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:01:16,611 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:01:16,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:01:16,612 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:01:16,612 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:01:16,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:01:16,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:01:16,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:01:16,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:01:16,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:01:16,613 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:01:16,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:01:16,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:01:16,614 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_b5537dba-d710-49d7-a013-0d677b57c453/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5537dba-d710-49d7-a013-0d677b57c453/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad4b9fd301578a7ddb25530c70896459a49284f596306d3b6d0c853e43916174 [2022-11-20 17:01:16,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:01:16,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:01:16,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:01:16,936 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:01:16,936 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:01:16,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5537dba-d710-49d7-a013-0d677b57c453/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/list-ext-properties/test-0504_1.i [2022-11-20 17:01:19,893 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:01:20,262 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:01:20,263 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5537dba-d710-49d7-a013-0d677b57c453/sv-benchmarks/c/list-ext-properties/test-0504_1.i [2022-11-20 17:01:20,284 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5537dba-d710-49d7-a013-0d677b57c453/bin/ukojak-pZX7IvK2PQ/data/2f637adb5/ca128dc94de34617a6530269582d386e/FLAGafe05f1a7 [2022-11-20 17:01:20,304 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5537dba-d710-49d7-a013-0d677b57c453/bin/ukojak-pZX7IvK2PQ/data/2f637adb5/ca128dc94de34617a6530269582d386e [2022-11-20 17:01:20,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:01:20,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:01:20,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:01:20,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:01:20,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:01:20,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:01:20" (1/1) ... [2022-11-20 17:01:20,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bedc3ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:20, skipping insertion in model container [2022-11-20 17:01:20,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:01:20" (1/1) ... [2022-11-20 17:01:20,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:01:20,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:01:20,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:01:20,778 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:01:20,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:01:20,839 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:01:20,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:20 WrapperNode [2022-11-20 17:01:20,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:01:20,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:01:20,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:01:20,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:01:20,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:20" (1/1) ... [2022-11-20 17:01:20,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:20" (1/1) ... [2022-11-20 17:01:20,888 INFO L138 Inliner]: procedures = 123, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 116 [2022-11-20 17:01:20,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:01:20,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:01:20,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:01:20,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:01:20,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:20" (1/1) ... [2022-11-20 17:01:20,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:20" (1/1) ... [2022-11-20 17:01:20,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:20" (1/1) ... [2022-11-20 17:01:20,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:20" (1/1) ... [2022-11-20 17:01:20,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:20" (1/1) ... [2022-11-20 17:01:20,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:20" (1/1) ... [2022-11-20 17:01:20,915 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:20" (1/1) ... [2022-11-20 17:01:20,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:20" (1/1) ... [2022-11-20 17:01:20,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:01:20,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:01:20,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:01:20,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:01:20,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:20" (1/1) ... [2022-11-20 17:01:20,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:01:20,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5537dba-d710-49d7-a013-0d677b57c453/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:01:20,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5537dba-d710-49d7-a013-0d677b57c453/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:01:20,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5537dba-d710-49d7-a013-0d677b57c453/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:01:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:01:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:01:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:01:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:01:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:01:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:01:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:01:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:01:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:01:21,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:01:21,130 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:01:21,133 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:01:21,424 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:01:21,518 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:01:21,518 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 17:01:21,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:01:21 BoogieIcfgContainer [2022-11-20 17:01:21,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:01:21,522 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:01:21,522 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:01:21,533 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:01:21,533 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:01:21" (1/1) ... [2022-11-20 17:01:21,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:01:21,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:21,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2022-11-20 17:01:21,641 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2022-11-20 17:01:21,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:01:21,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:21,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:21,789 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 17:01:21,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:21,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2022-11-20 17:01:21,828 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-11-20 17:01:21,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:01:21,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:21,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:21,978 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 17:01:22,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:22,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2022-11-20 17:01:22,039 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2022-11-20 17:01:22,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:01:22,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:22,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:22,112 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 17:01:22,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:22,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2022-11-20 17:01:22,127 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-11-20 17:01:22,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:01:22,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:22,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:22,180 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 17:01:22,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:22,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2022-11-20 17:01:22,204 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-11-20 17:01:22,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:01:22,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:22,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:22,377 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 17:01:22,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:22,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2022-11-20 17:01:22,425 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2022-11-20 17:01:22,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:01:22,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:22,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:22,507 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 17:01:22,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:22,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2022-11-20 17:01:22,573 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-11-20 17:01:22,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:01:22,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:22,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:22,693 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 17:01:23,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:23,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2022-11-20 17:01:23,150 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2022-11-20 17:01:23,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:01:23,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:23,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:23,262 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 17:01:23,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:23,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2022-11-20 17:01:23,297 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2022-11-20 17:01:23,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:01:23,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:23,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:23,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-20 17:01:23,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:01:23,634 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 17:01:23,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:23,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2022-11-20 17:01:23,928 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2022-11-20 17:01:23,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:01:23,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:23,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:24,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 17:01:24,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:01:24,305 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 17:01:24,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:24,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2022-11-20 17:01:24,499 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2022-11-20 17:01:24,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:01:24,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:24,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:24,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:24,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:24,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 53 states and 70 transitions. [2022-11-20 17:01:24,811 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-11-20 17:01:24,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:01:24,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:24,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:24,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:24,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:24,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 73 transitions. [2022-11-20 17:01:24,980 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2022-11-20 17:01:24,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:01:24,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:24,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:25,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:25,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:25,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 60 states and 81 transitions. [2022-11-20 17:01:25,533 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2022-11-20 17:01:25,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:01:25,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:25,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:25,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:01:25,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:25,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 59 states and 80 transitions. [2022-11-20 17:01:25,769 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2022-11-20 17:01:25,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:01:25,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:25,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:25,969 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 17:01:26,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:26,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 65 states and 90 transitions. [2022-11-20 17:01:26,670 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-11-20 17:01:26,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:01:26,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:26,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:26,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 17:01:26,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:01:26,952 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 17:01:27,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:27,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 102 transitions. [2022-11-20 17:01:27,478 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2022-11-20 17:01:27,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:01:27,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:27,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:27,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:28,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:28,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 74 states and 109 transitions. [2022-11-20 17:01:28,133 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2022-11-20 17:01:28,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:01:28,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:28,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:28,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 17:01:28,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:01:28,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:28,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:28,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 78 states and 121 transitions. [2022-11-20 17:01:28,759 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 121 transitions. [2022-11-20 17:01:28,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:01:28,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:28,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:28,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 17:01:28,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:01:29,320 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 17:01:30,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:30,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 84 states and 131 transitions. [2022-11-20 17:01:30,608 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 131 transitions. [2022-11-20 17:01:30,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:01:30,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:30,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:30,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:31,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:31,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 88 states and 137 transitions. [2022-11-20 17:01:31,157 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 137 transitions. [2022-11-20 17:01:31,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:01:31,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:31,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:31,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 17:01:31,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:01:31,441 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:32,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:32,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 93 states and 143 transitions. [2022-11-20 17:01:32,121 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 143 transitions. [2022-11-20 17:01:32,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:01:32,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:32,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:32,242 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:32,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:32,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 93 states and 142 transitions. [2022-11-20 17:01:32,728 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 142 transitions. [2022-11-20 17:01:32,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:01:32,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:32,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:32,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 17:01:32,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:01:33,073 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:34,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:34,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 98 states and 149 transitions. [2022-11-20 17:01:34,255 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 149 transitions. [2022-11-20 17:01:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:01:34,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:34,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:34,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 17:01:34,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:01:34,565 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 17:01:35,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:35,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 102 states and 162 transitions. [2022-11-20 17:01:35,224 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 162 transitions. [2022-11-20 17:01:35,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:01:35,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:35,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:35,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 17:01:35,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:01:35,931 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:37,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:37,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 107 states and 167 transitions. [2022-11-20 17:01:37,218 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 167 transitions. [2022-11-20 17:01:37,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:01:37,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:37,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:37,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 17:01:37,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:01:37,804 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:01:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:39,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 113 states and 174 transitions. [2022-11-20 17:01:39,410 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 174 transitions. [2022-11-20 17:01:39,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:01:39,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:39,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:39,713 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:40,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 122 states and 191 transitions. [2022-11-20 17:01:40,797 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 191 transitions. [2022-11-20 17:01:40,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:01:40,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:40,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:40,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 17:01:40,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:01:41,660 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:44,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:44,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 131 states and 204 transitions. [2022-11-20 17:01:44,578 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 204 transitions. [2022-11-20 17:01:44,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:01:44,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:44,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:44,820 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:45,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:45,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 135 states and 209 transitions. [2022-11-20 17:01:45,276 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 209 transitions. [2022-11-20 17:01:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:01:45,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:45,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:45,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 17:01:45,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:01:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:46,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 139 states and 223 transitions. [2022-11-20 17:01:46,486 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 223 transitions. [2022-11-20 17:01:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:01:46,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:46,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:46,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 17:01:46,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:01:47,001 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:48,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:48,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 144 states and 229 transitions. [2022-11-20 17:01:48,261 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 229 transitions. [2022-11-20 17:01:48,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:01:48,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:48,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:48,363 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:01:49,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:49,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 144 states and 228 transitions. [2022-11-20 17:01:49,077 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 228 transitions. [2022-11-20 17:01:49,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:01:49,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:49,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:49,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 17:01:49,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:01:49,931 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:50,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:50,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 143 states and 226 transitions. [2022-11-20 17:01:50,624 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 226 transitions. [2022-11-20 17:01:50,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:01:50,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:50,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:50,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 17:01:50,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:01:50,868 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 17:01:51,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:51,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 146 states and 229 transitions. [2022-11-20 17:01:51,699 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 229 transitions. [2022-11-20 17:01:51,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:01:51,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:51,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:51,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 17:01:51,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:01:51,911 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 17:01:52,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:52,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 148 states and 230 transitions. [2022-11-20 17:01:52,448 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 230 transitions. [2022-11-20 17:01:52,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:01:52,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:52,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:52,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 17:01:52,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:01:53,368 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:01:55,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:55,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 154 states and 237 transitions. [2022-11-20 17:01:55,980 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 237 transitions. [2022-11-20 17:01:55,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:01:55,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:55,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:56,473 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:01:58,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:01:58,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 163 states and 255 transitions. [2022-11-20 17:01:58,070 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 255 transitions. [2022-11-20 17:01:58,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 17:01:58,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:01:58,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:01:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:01:58,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 17:01:58,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:01:58,606 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:02:01,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:01,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 169 states and 268 transitions. [2022-11-20 17:02:01,260 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 268 transitions. [2022-11-20 17:02:01,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 17:02:01,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:01,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:01,637 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:02,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:02,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 173 states and 273 transitions. [2022-11-20 17:02:02,321 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 273 transitions. [2022-11-20 17:02:02,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:02:02,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:02,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:02,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 17:02:02,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:02:03,765 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:06,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:06,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 178 states and 277 transitions. [2022-11-20 17:02:06,007 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 277 transitions. [2022-11-20 17:02:06,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:02:06,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:06,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:06,122 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 17:02:07,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:07,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 178 states and 276 transitions. [2022-11-20 17:02:07,046 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 276 transitions. [2022-11-20 17:02:07,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 17:02:07,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:07,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:07,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 17:02:07,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:02:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:02:08,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:08,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 184 states and 283 transitions. [2022-11-20 17:02:08,562 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 283 transitions. [2022-11-20 17:02:08,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 17:02:08,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:08,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:08,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 17:02:08,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:02:08,890 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 17:02:09,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:09,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 187 states and 286 transitions. [2022-11-20 17:02:09,660 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 286 transitions. [2022-11-20 17:02:09,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 17:02:09,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:09,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:09,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 17:02:09,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:02:11,411 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:16,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:16,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 196 states and 299 transitions. [2022-11-20 17:02:16,744 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 299 transitions. [2022-11-20 17:02:16,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 17:02:16,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:16,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:17,443 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:19,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 205 states and 318 transitions. [2022-11-20 17:02:19,403 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 318 transitions. [2022-11-20 17:02:19,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 17:02:19,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:19,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:19,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 17:02:19,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:02:20,324 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:21,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:21,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 207 states and 319 transitions. [2022-11-20 17:02:21,560 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 319 transitions. [2022-11-20 17:02:21,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 17:02:21,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:21,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:21,984 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:22,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:22,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 211 states and 324 transitions. [2022-11-20 17:02:22,851 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 324 transitions. [2022-11-20 17:02:22,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 17:02:22,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:22,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:23,056 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-20 17:02:24,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:24,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 211 states and 323 transitions. [2022-11-20 17:02:24,125 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 323 transitions. [2022-11-20 17:02:24,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 17:02:24,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:24,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:24,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 17:02:24,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:02:24,442 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:02:25,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:25,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 217 states and 330 transitions. [2022-11-20 17:02:25,526 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 330 transitions. [2022-11-20 17:02:25,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-20 17:02:25,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:25,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:25,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 17:02:25,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:02:25,886 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 17:02:27,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:27,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 220 states and 333 transitions. [2022-11-20 17:02:27,043 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 333 transitions. [2022-11-20 17:02:27,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 17:02:27,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:27,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:27,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-20 17:02:27,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:02:29,492 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:36,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 229 states and 346 transitions. [2022-11-20 17:02:36,622 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 346 transitions. [2022-11-20 17:02:36,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 17:02:36,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:36,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:37,458 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:40,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:40,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 238 states and 365 transitions. [2022-11-20 17:02:40,186 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 365 transitions. [2022-11-20 17:02:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-20 17:02:40,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:40,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:40,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-20 17:02:40,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:02:43,182 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:46,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:46,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 240 states and 366 transitions. [2022-11-20 17:02:46,264 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 366 transitions. [2022-11-20 17:02:46,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 17:02:46,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:46,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:02:48,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:48,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 244 states and 371 transitions. [2022-11-20 17:02:48,065 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 371 transitions. [2022-11-20 17:02:48,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 17:02:48,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:48,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:48,221 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-20 17:02:49,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:49,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 244 states and 370 transitions. [2022-11-20 17:02:49,754 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 370 transitions. [2022-11-20 17:02:49,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-20 17:02:49,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:49,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:49,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 17:02:49,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:02:50,175 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:02:51,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:51,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 250 states and 377 transitions. [2022-11-20 17:02:51,620 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 377 transitions. [2022-11-20 17:02:51,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 17:02:51,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:51,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:51,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 17:02:51,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:02:52,032 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 17:02:53,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:02:53,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 253 states and 380 transitions. [2022-11-20 17:02:53,468 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 380 transitions. [2022-11-20 17:02:53,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 17:02:53,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:02:53,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:02:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:02:53,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-20 17:02:53,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:02:56,806 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:03:06,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:06,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 262 states and 393 transitions. [2022-11-20 17:03:06,739 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 393 transitions. [2022-11-20 17:03:06,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 17:03:06,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:06,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:07,995 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:03:11,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:11,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 271 states and 412 transitions. [2022-11-20 17:03:11,826 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 412 transitions. [2022-11-20 17:03:11,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 17:03:11,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:11,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:12,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-20 17:03:12,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:03:16,030 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:03:20,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:20,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 273 states and 413 transitions. [2022-11-20 17:03:20,643 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 413 transitions. [2022-11-20 17:03:20,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 17:03:20,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:20,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:21,689 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:03:23,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:23,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 277 states and 418 transitions. [2022-11-20 17:03:23,316 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 418 transitions. [2022-11-20 17:03:23,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-20 17:03:23,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:23,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:23,508 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-20 17:03:25,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:25,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 277 states and 417 transitions. [2022-11-20 17:03:25,753 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 417 transitions. [2022-11-20 17:03:25,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-20 17:03:25,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:25,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:26,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 17:03:26,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:03:26,243 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:03:28,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:28,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 283 states and 424 transitions. [2022-11-20 17:03:28,226 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 424 transitions. [2022-11-20 17:03:28,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-20 17:03:28,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:28,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:28,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-20 17:03:28,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:03:28,731 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 17:03:30,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:30,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 286 states and 427 transitions. [2022-11-20 17:03:30,755 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 427 transitions. [2022-11-20 17:03:30,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 17:03:30,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:03:30,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:03:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:03:31,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 17:03:31,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:03:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 145 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 17:03:33,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:03:33,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 160 states and 186 transitions. [2022-11-20 17:03:33,507 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 186 transitions. [2022-11-20 17:03:33,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:03:33,508 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 66 iterations. [2022-11-20 17:03:33,520 INFO L754 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2022-11-20 17:03:35,639 INFO L560 CodeCheckObserver]: Invariant with dag size 54 [2022-11-20 17:03:35,660 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2022-11-20 17:03:35,661 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 17:03:35,662 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 17:03:35,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:03:35 ImpRootNode [2022-11-20 17:03:35,662 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:03:35,676 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:03:35,676 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:03:35,676 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:03:35,676 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:01:21" (3/4) ... [2022-11-20 17:03:35,679 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:03:35,687 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-20 17:03:35,688 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 17:03:35,688 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:03:35,688 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:03:35,757 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5537dba-d710-49d7-a013-0d677b57c453/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:03:35,757 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:03:35,758 INFO L158 Benchmark]: Toolchain (without parser) took 135449.28ms. Allocated memory was 121.6MB in the beginning and 960.5MB in the end (delta: 838.9MB). Free memory was 88.3MB in the beginning and 313.4MB in the end (delta: -225.1MB). Peak memory consumption was 614.2MB. Max. memory is 16.1GB. [2022-11-20 17:03:35,758 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:03:35,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.46ms. Allocated memory is still 121.6MB. Free memory was 87.8MB in the beginning and 71.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:03:35,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.28ms. Allocated memory is still 121.6MB. Free memory was 71.0MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:03:35,759 INFO L158 Benchmark]: Boogie Preprocessor took 29.45ms. Allocated memory is still 121.6MB. Free memory was 68.9MB in the beginning and 67.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:03:35,760 INFO L158 Benchmark]: RCFGBuilder took 601.63ms. Allocated memory is still 121.6MB. Free memory was 67.3MB in the beginning and 45.8MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:03:35,760 INFO L158 Benchmark]: CodeCheck took 134140.52ms. Allocated memory was 121.6MB in the beginning and 960.5MB in the end (delta: 838.9MB). Free memory was 45.8MB in the beginning and 317.6MB in the end (delta: -271.7MB). Peak memory consumption was 568.1MB. Max. memory is 16.1GB. [2022-11-20 17:03:35,760 INFO L158 Benchmark]: Witness Printer took 81.76ms. Allocated memory is still 960.5MB. Free memory was 317.6MB in the beginning and 313.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:03:35,762 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, 29 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 131.9s, OverallIterations: 66, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20135 SdHoareTripleChecker+Valid, 104.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18672 mSDsluCounter, 8408 SdHoareTripleChecker+Invalid, 90.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7788 mSDsCounter, 7343 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45950 IncrementalHoareTripleChecker+Invalid, 53293 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7343 mSolverCounterUnsat, 620 mSDtfsCounter, 45950 mSolverCounterSat, 1.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18425 GetRequests, 16950 SyntacticMatches, 697 SemanticMatches, 778 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408247 ImplicationChecksByTransitivity, 110.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 1.0s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 31.8s InterpolantComputationTime, 2109 NumberOfCodeBlocks, 2109 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 2044 ConstructedInterpolants, 0 QuantifiedInterpolants, 7937 SizeOfPredicates, 144 NumberOfNonLiveVariables, 17988 ConjunctsInSsa, 424 ConjunctsInUnsatCore, 65 InterpolantComputations, 31 PerfectInterpolantSequences, 1245/3068 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: 540]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 540]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 548]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 548]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: ((((((((((((((((((c2 == 2 && c1 == 3) || ((c2 == 1 && c1 <= 1) && 1 <= c1)) || (c1 == 4 && c2 == 2)) || ((c2 <= 3 && c1 == 3) && 3 <= c2)) || ((c1 <= 2 && !(c1 <= 1)) && c2 == 0)) || ((c2 == 1 && c1 <= 3) && 2 <= c1)) || (((c1 <= 1 && c2 <= 3) && 1 <= c1) && !(c2 <= 2))) || (((c1 <= 2 && c2 <= 3) && !(c1 <= 1)) && !(c2 <= 2))) || ((!(c1 <= 4) && c1 <= 5) && c2 == 0)) || ((2 <= c2 && c1 == 2) && c2 <= 2)) || ((5 == c1 && c2 <= 3) && 3 <= c2)) || ((c1 <= 4 && c2 == 1) && !(c1 <= 3))) || ((c1 == 4 && c2 <= 3) && 3 <= c2)) || ((!(c1 <= 2) && c1 <= 3) && c2 == 0)) || ((c1 <= 4 && !(c1 <= 3)) && c2 == 0)) || ((!(c1 <= 4) && c1 <= 5) && c2 == 1)) || ((c1 == 1 && c2 <= 2) && !(c2 <= 1))) || ((c1 <= 1 && 1 <= c1) && c2 == 0)) || (5 == c1 && c2 == 2) - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: ((((((c1 <= 2 && !(c1 <= 1)) && c2 == 0) || (c1 == 0 && c2 == 0)) || ((!(c1 <= 4) && c1 <= 5) && c2 == 0)) || ((!(c1 <= 2) && c1 <= 3) && c2 == 0)) || ((c1 <= 4 && !(c1 <= 3)) && c2 == 0)) || ((c1 <= 1 && 1 <= c1) && c2 == 0) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: c1 <= 4 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: c1 <= 5 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.46ms. Allocated memory is still 121.6MB. Free memory was 87.8MB in the beginning and 71.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.28ms. Allocated memory is still 121.6MB. Free memory was 71.0MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.45ms. Allocated memory is still 121.6MB. Free memory was 68.9MB in the beginning and 67.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 601.63ms. Allocated memory is still 121.6MB. Free memory was 67.3MB in the beginning and 45.8MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 134140.52ms. Allocated memory was 121.6MB in the beginning and 960.5MB in the end (delta: 838.9MB). Free memory was 45.8MB in the beginning and 317.6MB in the end (delta: -271.7MB). Peak memory consumption was 568.1MB. Max. memory is 16.1GB. * Witness Printer took 81.76ms. Allocated memory is still 960.5MB. Free memory was 317.6MB in the beginning and 313.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:03:35,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5537dba-d710-49d7-a013-0d677b57c453/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