./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c651fc-a9bd-4281-95f1-ff71b067b7fa/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c651fc-a9bd-4281-95f1-ff71b067b7fa/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c651fc-a9bd-4281-95f1-ff71b067b7fa/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c651fc-a9bd-4281-95f1-ff71b067b7fa/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c651fc-a9bd-4281-95f1-ff71b067b7fa/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c651fc-a9bd-4281-95f1-ff71b067b7fa/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1eba5bc7e50ef659abfe155713ae512eb1ae4032ecb78db63a02f9acbcdf9dbe --- 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-dbf71c6-m [2022-10-17 16:49:10,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:10,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:10,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:10,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:10,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:10,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:10,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:10,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:10,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:10,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:10,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:10,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:10,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:10,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:10,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:10,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:10,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:10,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:10,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:10,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:10,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:10,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:10,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:10,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:10,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:10,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:10,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:10,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:10,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:10,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:10,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:10,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:10,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:10,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:10,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:10,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:10,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:10,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:10,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:10,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:10,616 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c651fc-a9bd-4281-95f1-ff71b067b7fa/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:10,644 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:10,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:10,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:10,645 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:10,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:10,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:10,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:10,647 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:10,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:10,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:10,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:10,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:10,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:10,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:10,648 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:10,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:10,649 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:10,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:10,649 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:10,649 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:10,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:10,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:10,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:10,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:10,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:10,651 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:10,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:10,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:10,651 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_95c651fc-a9bd-4281-95f1-ff71b067b7fa/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c651fc-a9bd-4281-95f1-ff71b067b7fa/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1eba5bc7e50ef659abfe155713ae512eb1ae4032ecb78db63a02f9acbcdf9dbe [2022-10-17 16:49:10,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:11,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:11,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:11,006 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:11,007 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:11,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c651fc-a9bd-4281-95f1-ff71b067b7fa/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c [2022-10-17 16:49:11,090 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c651fc-a9bd-4281-95f1-ff71b067b7fa/bin/ukojak-92XMlrwhuB/data/ff801fce0/36484670ec934d10ac0a8f04cbfc2bf0/FLAG93daa47e5 [2022-10-17 16:49:11,650 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:11,652 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c651fc-a9bd-4281-95f1-ff71b067b7fa/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c [2022-10-17 16:49:11,662 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c651fc-a9bd-4281-95f1-ff71b067b7fa/bin/ukojak-92XMlrwhuB/data/ff801fce0/36484670ec934d10ac0a8f04cbfc2bf0/FLAG93daa47e5 [2022-10-17 16:49:11,987 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c651fc-a9bd-4281-95f1-ff71b067b7fa/bin/ukojak-92XMlrwhuB/data/ff801fce0/36484670ec934d10ac0a8f04cbfc2bf0 [2022-10-17 16:49:11,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:11,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:11,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:11,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:11,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:11,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:11" (1/1) ... [2022-10-17 16:49:11,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@434283a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:11, skipping insertion in model container [2022-10-17 16:49:11,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:11" (1/1) ... [2022-10-17 16:49:12,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:12,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:12,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c651fc-a9bd-4281-95f1-ff71b067b7fa/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c[538,551] [2022-10-17 16:49:12,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:12,274 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:12,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c651fc-a9bd-4281-95f1-ff71b067b7fa/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c[538,551] [2022-10-17 16:49:12,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:12,306 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:12,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:12 WrapperNode [2022-10-17 16:49:12,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:12,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:12,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:12,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:12,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:12" (1/1) ... [2022-10-17 16:49:12,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:12" (1/1) ... [2022-10-17 16:49:12,342 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2022-10-17 16:49:12,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:12,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:12,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:12,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:12,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:12" (1/1) ... [2022-10-17 16:49:12,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:12" (1/1) ... [2022-10-17 16:49:12,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:12" (1/1) ... [2022-10-17 16:49:12,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:12" (1/1) ... [2022-10-17 16:49:12,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:12" (1/1) ... [2022-10-17 16:49:12,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:12" (1/1) ... [2022-10-17 16:49:12,363 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:12" (1/1) ... [2022-10-17 16:49:12,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:12" (1/1) ... [2022-10-17 16:49:12,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:12,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:12,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:12,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:12,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:12" (1/1) ... [2022-10-17 16:49:12,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:12,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c651fc-a9bd-4281-95f1-ff71b067b7fa/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:12,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c651fc-a9bd-4281-95f1-ff71b067b7fa/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:12,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c651fc-a9bd-4281-95f1-ff71b067b7fa/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:49:12,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:49:12,523 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:12,525 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:12,689 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:12,739 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:12,740 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:49:12,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:12 BoogieIcfgContainer [2022-10-17 16:49:12,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:12,743 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:12,744 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:12,761 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:12,762 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:12" (1/1) ... [2022-10-17 16:49:12,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:12,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:12,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2022-10-17 16:49:12,830 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2022-10-17 16:49:12,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:49:12,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:12,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:12,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:49:12,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:13,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:13,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:13,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-10-17 16:49:13,026 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 16:49:13,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:49:13,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:13,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:13,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:13,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:13,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2022-10-17 16:49:13,349 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2022-10-17 16:49:13,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:49:13,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:13,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:13,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:49:13,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:13,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:13,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:13,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2022-10-17 16:49:13,784 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2022-10-17 16:49:13,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:49:13,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:13,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:14,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:14,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:14,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2022-10-17 16:49:14,665 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2022-10-17 16:49:14,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:49:14,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:14,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:14,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:49:14,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:14,938 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:49:16,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:16,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2022-10-17 16:49:16,040 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2022-10-17 16:49:16,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:49:16,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:16,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:16,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:49:16,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:49:17,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:17,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 48 states and 95 transitions. [2022-10-17 16:49:17,748 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 95 transitions. [2022-10-17 16:49:17,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:49:17,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:17,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:17,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:49:17,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:49:18,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:18,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 52 states and 107 transitions. [2022-10-17 16:49:18,865 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 107 transitions. [2022-10-17 16:49:18,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:49:18,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:18,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:18,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:49:18,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:19,016 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:49:19,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:19,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 54 states and 112 transitions. [2022-10-17 16:49:19,470 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2022-10-17 16:49:19,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:49:19,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:19,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:19,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:49:19,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:49:21,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:21,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 59 states and 127 transitions. [2022-10-17 16:49:21,331 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 127 transitions. [2022-10-17 16:49:21,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:49:21,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:21,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:21,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:49:21,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:21,535 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:49:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:22,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 61 states and 128 transitions. [2022-10-17 16:49:22,225 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 128 transitions. [2022-10-17 16:49:22,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:49:22,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:22,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:22,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:49:22,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:22,675 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:49:26,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:26,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 66 states and 144 transitions. [2022-10-17 16:49:26,066 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 144 transitions. [2022-10-17 16:49:26,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:49:26,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:26,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:26,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:49:26,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:26,241 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:49:27,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 68 states and 145 transitions. [2022-10-17 16:49:27,310 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 145 transitions. [2022-10-17 16:49:27,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:49:27,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:27,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:27,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 16:49:27,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:27,825 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:49:31,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:31,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 74 states and 170 transitions. [2022-10-17 16:49:31,528 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 170 transitions. [2022-10-17 16:49:31,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:49:31,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:31,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:31,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:49:31,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:31,684 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:49:35,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:35,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 79 states and 184 transitions. [2022-10-17 16:49:35,904 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 184 transitions. [2022-10-17 16:49:35,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:49:35,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:35,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:35,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:49:35,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:36,276 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:49:38,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:38,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 81 states and 191 transitions. [2022-10-17 16:49:38,268 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 191 transitions. [2022-10-17 16:49:38,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:49:38,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:38,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:38,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:49:38,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:39,377 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:49:44,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:44,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 84 states and 205 transitions. [2022-10-17 16:49:44,832 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 205 transitions. [2022-10-17 16:49:44,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:49:44,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:44,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:44,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:49:44,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:45,308 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.