./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.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_cd18bff1-aedd-4116-af75-df0cf9681de1/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd18bff1-aedd-4116-af75-df0cf9681de1/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_cd18bff1-aedd-4116-af75-df0cf9681de1/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd18bff1-aedd-4116-af75-df0cf9681de1/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd18bff1-aedd-4116-af75-df0cf9681de1/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_cd18bff1-aedd-4116-af75-df0cf9681de1/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 ad40c7e9e7b0c80b1cec1e361a82d834fdd8270143479aa0f4bf8bc2b59c2aa5 --- 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 16:31:36,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:31:36,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:31:36,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:31:36,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:31:36,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:31:36,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:31:36,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:31:36,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:31:36,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:31:36,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:31:36,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:31:36,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:31:36,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:31:36,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:31:36,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:31:36,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:31:36,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:31:36,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:31:36,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:31:36,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:31:36,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:31:36,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:31:36,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:31:36,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:31:36,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:31:36,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:31:36,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:31:36,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:31:36,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:31:36,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:31:36,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:31:36,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:31:36,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:31:36,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:31:36,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:31:36,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:31:36,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:31:36,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:31:36,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:31:36,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:31:36,889 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd18bff1-aedd-4116-af75-df0cf9681de1/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:31:36,933 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:31:36,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:31:36,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:31:36,936 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:31:36,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:31:36,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:31:36,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:31:36,937 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:31:36,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:31:36,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:31:36,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:31:36,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:31:36,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:31:36,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:31:36,940 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:31:36,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:31:36,940 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:31:36,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:31:36,941 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:31:36,941 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:31:36,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:31:36,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:36,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:31:36,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:31:36,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:31:36,943 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:31:36,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:31:36,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:31:36,945 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_cd18bff1-aedd-4116-af75-df0cf9681de1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd18bff1-aedd-4116-af75-df0cf9681de1/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad40c7e9e7b0c80b1cec1e361a82d834fdd8270143479aa0f4bf8bc2b59c2aa5 [2022-10-17 16:31:37,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:31:37,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:31:37,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:31:37,260 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:31:37,262 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:31:37,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd18bff1-aedd-4116-af75-df0cf9681de1/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.c [2022-10-17 16:31:37,337 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd18bff1-aedd-4116-af75-df0cf9681de1/bin/ukojak-92XMlrwhuB/data/45a335891/83a20ba7c3924b94ba5428719f6e4f7d/FLAG5994ce6b1 [2022-10-17 16:31:37,742 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:31:37,743 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd18bff1-aedd-4116-af75-df0cf9681de1/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.c [2022-10-17 16:31:37,749 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd18bff1-aedd-4116-af75-df0cf9681de1/bin/ukojak-92XMlrwhuB/data/45a335891/83a20ba7c3924b94ba5428719f6e4f7d/FLAG5994ce6b1 [2022-10-17 16:31:38,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd18bff1-aedd-4116-af75-df0cf9681de1/bin/ukojak-92XMlrwhuB/data/45a335891/83a20ba7c3924b94ba5428719f6e4f7d [2022-10-17 16:31:38,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:31:38,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:31:38,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:38,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:31:38,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:31:38,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:38" (1/1) ... [2022-10-17 16:31:38,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e0218b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:38, skipping insertion in model container [2022-10-17 16:31:38,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:38" (1/1) ... [2022-10-17 16:31:38,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:31:38,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:31:38,363 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_cd18bff1-aedd-4116-af75-df0cf9681de1/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.c[588,601] [2022-10-17 16:31:38,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:38,403 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:31:38,421 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_cd18bff1-aedd-4116-af75-df0cf9681de1/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.c[588,601] [2022-10-17 16:31:38,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:38,483 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:31:38,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:38 WrapperNode [2022-10-17 16:31:38,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:38,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:38,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:31:38,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:31:38,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:38" (1/1) ... [2022-10-17 16:31:38,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:38" (1/1) ... [2022-10-17 16:31:38,527 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-10-17 16:31:38,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:38,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:31:38,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:31:38,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:31:38,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:38" (1/1) ... [2022-10-17 16:31:38,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:38" (1/1) ... [2022-10-17 16:31:38,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:38" (1/1) ... [2022-10-17 16:31:38,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:38" (1/1) ... [2022-10-17 16:31:38,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:38" (1/1) ... [2022-10-17 16:31:38,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:38" (1/1) ... [2022-10-17 16:31:38,548 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:38" (1/1) ... [2022-10-17 16:31:38,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:38" (1/1) ... [2022-10-17 16:31:38,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:31:38,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:31:38,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:31:38,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:31:38,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:38" (1/1) ... [2022-10-17 16:31:38,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:38,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd18bff1-aedd-4116-af75-df0cf9681de1/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:31:38,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd18bff1-aedd-4116-af75-df0cf9681de1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:31:38,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd18bff1-aedd-4116-af75-df0cf9681de1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:31:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:31:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:31:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:31:38,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:31:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:31:38,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:31:38,700 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:31:38,701 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:31:38,861 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:31:38,896 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:31:38,896 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:31:38,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:38 BoogieIcfgContainer [2022-10-17 16:31:38,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:31:38,900 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:31:38,900 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:31:38,911 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:31:38,911 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:38" (1/1) ... [2022-10-17 16:31:38,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:31:38,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:38,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2022-10-17 16:31:38,983 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2022-10-17 16:31:38,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:31:38,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:38,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:39,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:39,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:39,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2022-10-17 16:31:39,619 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2022-10-17 16:31:39,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:31:39,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:39,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:39,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:31:39,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:39,841 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 16:31:40,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:40,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 52 transitions. [2022-10-17 16:31:40,123 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2022-10-17 16:31:40,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:31:40,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:40,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:40,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:31:40,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:40,284 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 16:31:40,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:40,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 61 transitions. [2022-10-17 16:31:40,573 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2022-10-17 16:31:40,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:31:40,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:40,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:40,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:31:40,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:40,749 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 16:31:40,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:40,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 66 transitions. [2022-10-17 16:31:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2022-10-17 16:31:40,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:31:40,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:40,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:41,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:31:41,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:41,112 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:31:41,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:41,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 69 transitions. [2022-10-17 16:31:41,189 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2022-10-17 16:31:41,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:31:41,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:41,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:41,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:31:41,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:41,445 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:31:41,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:41,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 66 transitions. [2022-10-17 16:31:41,947 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2022-10-17 16:31:41,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:31:41,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:41,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:41,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:31:41,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:42,082 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-17 16:31:42,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:42,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 81 transitions. [2022-10-17 16:31:42,772 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2022-10-17 16:31:42,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:31:42,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:42,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:42,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:31:42,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:43,016 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:31:43,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:43,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 88 transitions. [2022-10-17 16:31:43,525 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2022-10-17 16:31:43,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:31:43,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:43,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:43,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:31:43,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:43,687 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:31:44,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:44,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 52 states and 96 transitions. [2022-10-17 16:31:44,316 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2022-10-17 16:31:44,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:31:44,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:44,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:44,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:31:44,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:44,665 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:31:45,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:45,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 53 states and 98 transitions. [2022-10-17 16:31:45,262 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2022-10-17 16:31:45,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:31:45,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:45,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:45,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:31:45,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:45,426 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-17 16:31:46,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:46,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 54 states and 101 transitions. [2022-10-17 16:31:46,111 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2022-10-17 16:31:46,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:31:46,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:46,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:46,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:31:46,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-10-17 16:31:46,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:46,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 100 transitions. [2022-10-17 16:31:46,484 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2022-10-17 16:31:46,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:31:46,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:46,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:46,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:31:46,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:46,885 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:31:46,900 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:31:48,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:48,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 57 states and 106 transitions. [2022-10-17 16:31:48,086 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 106 transitions. [2022-10-17 16:31:48,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 16:31:48,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:48,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:48,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:31:48,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 24 proven. 41 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-10-17 16:31:49,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:49,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 60 states and 112 transitions. [2022-10-17 16:31:49,216 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2022-10-17 16:31:49,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:31:49,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:49,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:49,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:31:49,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-10-17 16:31:50,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:50,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 61 states and 115 transitions. [2022-10-17 16:31:50,605 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 115 transitions. [2022-10-17 16:31:50,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 16:31:50,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:50,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:50,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:31:50,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:50,974 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-10-17 16:31:51,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:52,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 65 states and 122 transitions. [2022-10-17 16:31:52,000 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2022-10-17 16:31:52,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:31:52,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:52,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:52,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:31:52,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:52,414 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-17 16:31:53,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:53,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 127 transitions. [2022-10-17 16:31:53,242 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 127 transitions. [2022-10-17 16:31:53,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:31:53,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:53,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:53,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:31:53,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:53,681 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 26 proven. 17 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-17 16:31:54,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:54,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 68 states and 129 transitions. [2022-10-17 16:31:54,524 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2022-10-17 16:31:54,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 16:31:54,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:54,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:54,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:31:54,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:54,789 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-10-17 16:31:55,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:55,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 70 states and 132 transitions. [2022-10-17 16:31:55,516 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2022-10-17 16:31:55,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:31:55,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:55,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:55,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:31:55,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:55,817 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 16:31:56,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:56,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 71 states and 135 transitions. [2022-10-17 16:31:56,245 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 135 transitions. [2022-10-17 16:31:56,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 16:31:56,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:56,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:56,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:31:56,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:56,785 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 55 proven. 19 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-10-17 16:31:57,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:57,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 73 states and 138 transitions. [2022-10-17 16:31:57,978 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 138 transitions. [2022-10-17 16:31:57,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 16:31:57,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:57,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:58,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:31:58,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:58,081 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-10-17 16:31:58,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:58,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 73 states and 137 transitions. [2022-10-17 16:31:58,495 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 137 transitions. [2022-10-17 16:31:58,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 16:31:58,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:58,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:58,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 16:31:58,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 32 proven. 21 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-10-17 16:32:00,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:00,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 76 states and 143 transitions. [2022-10-17 16:32:00,948 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 143 transitions. [2022-10-17 16:32:00,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-17 16:32:00,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:00,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:01,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:32:01,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:01,502 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 32 proven. 30 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-10-17 16:32:02,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:02,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 79 states and 149 transitions. [2022-10-17 16:32:02,655 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 149 transitions. [2022-10-17 16:32:02,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-17 16:32:02,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:02,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:02,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:32:02,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:03,314 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 34 proven. 21 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-10-17 16:32:04,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:04,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 80 states and 152 transitions. [2022-10-17 16:32:04,633 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 152 transitions. [2022-10-17 16:32:04,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-17 16:32:04,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:04,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:04,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 16:32:04,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:05,196 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 34 proven. 33 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-10-17 16:32:06,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:06,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 84 states and 159 transitions. [2022-10-17 16:32:06,346 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 159 transitions. [2022-10-17 16:32:06,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-17 16:32:06,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:06,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:06,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:32:06,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:06,869 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-10-17 16:32:08,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:32:08,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 86 states and 163 transitions. [2022-10-17 16:32:08,936 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 163 transitions. [2022-10-17 16:32:08,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-17 16:32:08,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:32:08,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:32:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:32:09,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:32:09,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:32:09,553 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.