./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08fc18ac-427d-454f-8bbe-1eba2b0cf033/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08fc18ac-427d-454f-8bbe-1eba2b0cf033/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08fc18ac-427d-454f-8bbe-1eba2b0cf033/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08fc18ac-427d-454f-8bbe-1eba2b0cf033/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08fc18ac-427d-454f-8bbe-1eba2b0cf033/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08fc18ac-427d-454f-8bbe-1eba2b0cf033/bin/ukojak-2xVlg8857e --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 ce67d33baf8e2191d295422ec2c8649be746cd4f4f75c5de99bdc3950e33cc6c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:26:53,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:26:53,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:26:53,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:26:53,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:26:53,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:26:53,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:26:53,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:26:53,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:26:53,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:26:53,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:26:53,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:26:53,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:26:53,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:26:53,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:26:53,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:26:53,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:26:53,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:26:53,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:26:53,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:26:53,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:26:53,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:26:53,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:26:53,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:26:53,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:26:53,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:26:53,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:26:53,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:26:53,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:26:53,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:26:53,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:26:53,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:26:53,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:26:53,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:26:53,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:26:53,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:26:53,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:26:53,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:26:53,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:26:53,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:26:53,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:26:53,141 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08fc18ac-427d-454f-8bbe-1eba2b0cf033/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:26:53,182 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:26:53,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:26:53,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:26:53,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:26:53,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:26:53,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:26:53,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:26:53,186 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:26:53,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:26:53,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:26:53,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:26:53,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:26:53,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:26:53,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:26:53,188 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:26:53,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:26:53,189 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:26:53,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:26:53,189 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:26:53,190 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:26:53,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:26:53,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:26:53,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:26:53,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:26:53,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:26:53,192 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:26:53,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:26:53,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:26:53,192 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08fc18ac-427d-454f-8bbe-1eba2b0cf033/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce67d33baf8e2191d295422ec2c8649be746cd4f4f75c5de99bdc3950e33cc6c [2021-11-13 23:26:53,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:26:53,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:26:53,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:26:53,476 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:26:53,477 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:26:53,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08fc18ac-427d-454f-8bbe-1eba2b0cf033/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2021-11-13 23:26:53,542 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08fc18ac-427d-454f-8bbe-1eba2b0cf033/bin/ukojak-2xVlg8857e/data/9bfa6d4b5/5cf9069f7b9f4efd8221582f18f2391f/FLAG13c8a00f9 [2021-11-13 23:26:54,030 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:26:54,031 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2021-11-13 23:26:54,040 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08fc18ac-427d-454f-8bbe-1eba2b0cf033/bin/ukojak-2xVlg8857e/data/9bfa6d4b5/5cf9069f7b9f4efd8221582f18f2391f/FLAG13c8a00f9 [2021-11-13 23:26:54,383 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08fc18ac-427d-454f-8bbe-1eba2b0cf033/bin/ukojak-2xVlg8857e/data/9bfa6d4b5/5cf9069f7b9f4efd8221582f18f2391f [2021-11-13 23:26:54,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:26:54,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:26:54,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:26:54,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:26:54,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:26:54,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:26:54" (1/1) ... [2021-11-13 23:26:54,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34bb0040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:54, skipping insertion in model container [2021-11-13 23:26:54,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:26:54" (1/1) ... [2021-11-13 23:26:54,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:26:54,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:26:54,656 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1551,1564] [2021-11-13 23:26:54,669 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1758,1771] [2021-11-13 23:26:54,674 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2095,2108] [2021-11-13 23:26:54,679 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2296,2309] [2021-11-13 23:26:54,693 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2701,2714] [2021-11-13 23:26:54,695 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2902,2915] [2021-11-13 23:26:54,698 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3228,3241] [2021-11-13 23:26:54,702 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3435,3448] [2021-11-13 23:26:54,706 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3914,3927] [2021-11-13 23:26:54,710 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4118,4131] [2021-11-13 23:26:54,716 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4426,4439] [2021-11-13 23:26:54,720 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4630,4643] [2021-11-13 23:26:54,727 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4995,5008] [2021-11-13 23:26:54,732 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5198,5211] [2021-11-13 23:26:54,738 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5412,5425] [2021-11-13 23:26:54,746 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5616,5629] [2021-11-13 23:26:54,750 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6138,6151] [2021-11-13 23:26:54,752 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6342,6355] [2021-11-13 23:26:54,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:26:54,769 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:26:54,804 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1551,1564] [2021-11-13 23:26:54,814 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[1758,1771] [2021-11-13 23:26:54,816 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2095,2108] [2021-11-13 23:26:54,818 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2296,2309] [2021-11-13 23:26:54,824 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2701,2714] [2021-11-13 23:26:54,826 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[2902,2915] [2021-11-13 23:26:54,828 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3228,3241] [2021-11-13 23:26:54,829 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3435,3448] [2021-11-13 23:26:54,832 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[3914,3927] [2021-11-13 23:26:54,834 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4118,4131] [2021-11-13 23:26:54,836 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4426,4439] [2021-11-13 23:26:54,838 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4630,4643] [2021-11-13 23:26:54,840 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[4995,5008] [2021-11-13 23:26:54,842 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5198,5211] [2021-11-13 23:26:54,844 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5412,5425] [2021-11-13 23:26:54,845 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[5616,5629] [2021-11-13 23:26:54,848 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6138,6151] [2021-11-13 23:26:54,850 WARN L228 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_08fc18ac-427d-454f-8bbe-1eba2b0cf033/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c[6342,6355] [2021-11-13 23:26:54,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:26:54,865 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:26:54,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:54 WrapperNode [2021-11-13 23:26:54,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:26:54,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:26:54,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:26:54,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:26:54,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:54" (1/1) ... [2021-11-13 23:26:54,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:54" (1/1) ... [2021-11-13 23:26:54,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:26:54,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:26:54,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:26:54,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:26:54,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:54" (1/1) ... [2021-11-13 23:26:54,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:54" (1/1) ... [2021-11-13 23:26:54,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:54" (1/1) ... [2021-11-13 23:26:54,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:54" (1/1) ... [2021-11-13 23:26:54,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:54" (1/1) ... [2021-11-13 23:26:54,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:54" (1/1) ... [2021-11-13 23:26:54,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:54" (1/1) ... [2021-11-13 23:26:54,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:26:54,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:26:54,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:26:54,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:26:54,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:54" (1/1) ... [2021-11-13 23:26:54,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:26:54,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08fc18ac-427d-454f-8bbe-1eba2b0cf033/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:26:54,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08fc18ac-427d-454f-8bbe-1eba2b0cf033/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:26:55,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08fc18ac-427d-454f-8bbe-1eba2b0cf033/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:26:55,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:26:55,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:26:55,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:26:55,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:26:55,413 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:26:55,414 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 23:26:55,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:55 BoogieIcfgContainer [2021-11-13 23:26:55,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:26:55,417 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:26:55,418 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:26:55,427 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:26:55,427 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:55" (1/1) ... [2021-11-13 23:26:55,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:26:55,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:55,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 117 transitions. [2021-11-13 23:26:55,494 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2021-11-13 23:26:55,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:26:55,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:55,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:55,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:55,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:55,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2021-11-13 23:26:55,727 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2021-11-13 23:26:55,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:26:55,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:55,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:55,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:55,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:55,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2021-11-13 23:26:55,958 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2021-11-13 23:26:55,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:26:55,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:55,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:56,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:56,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:56,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2021-11-13 23:26:56,290 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-11-13 23:26:56,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:26:56,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:56,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:56,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:56,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:56,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2021-11-13 23:26:56,816 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2021-11-13 23:26:56,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:26:56,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:56,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:57,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:57,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:57,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 75 states and 108 transitions. [2021-11-13 23:26:57,432 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2021-11-13 23:26:57,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 23:26:57,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:57,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:57,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:57,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:57,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 77 states and 108 transitions. [2021-11-13 23:26:57,601 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2021-11-13 23:26:57,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:26:57,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:57,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:57,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:58,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:58,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 81 states and 113 transitions. [2021-11-13 23:26:58,217 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2021-11-13 23:26:58,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:26:58,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:58,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:58,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:58,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:58,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 84 states and 114 transitions. [2021-11-13 23:26:58,554 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2021-11-13 23:26:58,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:26:58,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:58,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:58,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:26:59,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:59,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 88 states and 117 transitions. [2021-11-13 23:26:59,288 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2021-11-13 23:26:59,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:26:59,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:59,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:26:59,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:26:59,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:59,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2021-11-13 23:26:59,928 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2021-11-13 23:26:59,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:26:59,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:59,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:00,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:00,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:00,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2021-11-13 23:27:00,593 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2021-11-13 23:27:00,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:27:00,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:00,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:00,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:00,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:00,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2021-11-13 23:27:00,823 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-11-13 23:27:00,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:27:00,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:00,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:00,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:01,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:01,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2021-11-13 23:27:01,391 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2021-11-13 23:27:01,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:27:01,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:01,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:01,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:02,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:02,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 62 states and 87 transitions. [2021-11-13 23:27:02,015 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2021-11-13 23:27:02,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:27:02,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:02,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:02,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:02,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:02,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 60 states and 84 transitions. [2021-11-13 23:27:02,948 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2021-11-13 23:27:02,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:27:02,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:02,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:03,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:03,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:03,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 63 states and 87 transitions. [2021-11-13 23:27:03,846 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2021-11-13 23:27:03,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:27:03,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:03,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:04,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:04,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:04,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2021-11-13 23:27:04,696 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2021-11-13 23:27:04,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:27:04,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:04,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:04,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:05,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:05,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2021-11-13 23:27:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2021-11-13 23:27:05,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:27:05,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:05,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:08,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:08,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2021-11-13 23:27:08,196 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2021-11-13 23:27:08,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 23:27:08,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:08,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:08,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:10,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:10,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2021-11-13 23:27:10,050 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2021-11-13 23:27:10,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:27:10,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:10,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:10,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:12,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:12,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 77 states and 106 transitions. [2021-11-13 23:27:12,731 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2021-11-13 23:27:12,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:27:12,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:12,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:12,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:14,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:14,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 81 states and 110 transitions. [2021-11-13 23:27:14,635 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2021-11-13 23:27:14,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:27:14,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:14,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:14,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:17,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:17,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 87 states and 123 transitions. [2021-11-13 23:27:17,070 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 123 transitions. [2021-11-13 23:27:17,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 23:27:17,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:17,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:17,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:18,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:18,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 91 states and 128 transitions. [2021-11-13 23:27:18,812 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 128 transitions. [2021-11-13 23:27:18,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 23:27:18,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:18,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:18,849 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:27:19,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:19,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 92 states and 129 transitions. [2021-11-13 23:27:19,084 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2021-11-13 23:27:19,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:27:19,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:19,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:19,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:20,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:20,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 96 states and 134 transitions. [2021-11-13 23:27:20,814 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 134 transitions. [2021-11-13 23:27:20,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:27:20,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:20,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:21,014 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:24,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:24,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 105 states and 148 transitions. [2021-11-13 23:27:24,554 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 148 transitions. [2021-11-13 23:27:24,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:27:24,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:24,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:24,792 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:27:26,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:26,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 104 states and 146 transitions. [2021-11-13 23:27:26,383 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 146 transitions. [2021-11-13 23:27:26,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 23:27:26,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:26,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:26,592 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:27:27,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:27,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 103 states and 144 transitions. [2021-11-13 23:27:27,726 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 144 transitions. [2021-11-13 23:27:27,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 23:27:27,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:27,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:27,843 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 23:27:29,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:29,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 102 states and 141 transitions. [2021-11-13 23:27:29,855 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 141 transitions. [2021-11-13 23:27:29,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:27:29,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:27:29,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:27:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:27:30,091 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:27:32,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:27:32,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 55 states and 76 transitions. [2021-11-13 23:27:32,657 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 76 transitions. [2021-11-13 23:27:32,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 23:27:32,658 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2021-11-13 23:27:32,667 INFO L754 CodeCheckObserver]: All specifications hold 18 specifications checked. All of them hold [2021-11-13 23:27:32,901 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2021-11-13 23:27:32,914 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2021-11-13 23:27:32,921 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2021-11-13 23:27:32,921 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2021-11-13 23:27:32,923 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-13 23:27:32,923 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-13 23:27:32,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:27:32 ImpRootNode [2021-11-13 23:27:32,924 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:27:32,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:27:32,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:27:32,925 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:27:32,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:55" (3/4) ... [2021-11-13 23:27:32,929 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 23:27:32,958 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-13 23:27:32,959 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 23:27:32,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 23:27:32,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 23:27:33,040 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08fc18ac-427d-454f-8bbe-1eba2b0cf033/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:27:33,040 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:27:33,041 INFO L158 Benchmark]: Toolchain (without parser) took 38655.12ms. Allocated memory was 81.8MB in the beginning and 318.8MB in the end (delta: 237.0MB). Free memory was 43.7MB in the beginning and 172.6MB in the end (delta: -128.9MB). Peak memory consumption was 108.2MB. Max. memory is 16.1GB. [2021-11-13 23:27:33,042 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 81.8MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:27:33,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.93ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 43.5MB in the beginning and 68.1MB in the end (delta: -24.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 23:27:33,043 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.29ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 66.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:27:33,043 INFO L158 Benchmark]: Boogie Preprocessor took 23.80ms. Allocated memory is still 100.7MB. Free memory was 66.0MB in the beginning and 64.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:27:33,044 INFO L158 Benchmark]: RCFGBuilder took 461.08ms. Allocated memory is still 100.7MB. Free memory was 64.6MB in the beginning and 47.5MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-13 23:27:33,044 INFO L158 Benchmark]: CodeCheck took 37506.95ms. Allocated memory was 100.7MB in the beginning and 318.8MB in the end (delta: 218.1MB). Free memory was 47.5MB in the beginning and 177.8MB in the end (delta: -130.3MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. [2021-11-13 23:27:33,045 INFO L158 Benchmark]: Witness Printer took 115.83ms. Allocated memory is still 318.8MB. Free memory was 177.8MB in the beginning and 172.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 23:27:33,047 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 80 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 37.2s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5299 SdHoareTripleChecker+Valid, 11963.68ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2579 mSDsluCounter, 2085 SdHoareTripleChecker+Invalid, 9709.16ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 558 mSDsCounter, 2445 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9267 IncrementalHoareTripleChecker+Invalid, 11712 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2445 mSolverCounterUnsat, 1527 mSDtfsCounter, 9267 mSolverCounterSat, 270.04ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7516 GetRequests, 6801 SyntacticMatches, 271 SemanticMatches, 444 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76761 ImplicationChecksByTransitivity, 34.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1004 NumberOfCodeBlocks, 1004 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 973 ConstructedInterpolants, 0 QuantifiedInterpolants, 2289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 22 PerfectInterpolantSequences, 51/76 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 85]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 97]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 113]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 125]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 145]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 177]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 189]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 214]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 226]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 243]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 255]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 272]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 284]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 296]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 308]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 374]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 386]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 <= main__cp && main__cp + 1 <= main__urilen - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: ((((main__urilen <= main__cp + 1 && 0 <= main__cp) && main__cp + 1 <= main__urilen) && main__c == 0) || ((1 <= main__c && 2 <= main__cp) && main__cp + 1 <= main__urilen)) || ((1 <= main__cp && main__cp + 1 < main__urilen) && main__c == 0) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 <= main__cp && main__cp + 1 <= main__urilen - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: ((1 <= main__c && 1 <= main__cp) && main__cp + 1 < main__urilen) || ((1 <= main__cp && main__cp + 1 < main__urilen) && main__c == 0) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 81.8MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.93ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 43.5MB in the beginning and 68.1MB in the end (delta: -24.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.29ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 66.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.80ms. Allocated memory is still 100.7MB. Free memory was 66.0MB in the beginning and 64.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 461.08ms. Allocated memory is still 100.7MB. Free memory was 64.6MB in the beginning and 47.5MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 37506.95ms. Allocated memory was 100.7MB in the beginning and 318.8MB in the end (delta: 218.1MB). Free memory was 47.5MB in the beginning and 177.8MB in the end (delta: -130.3MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. * Witness Printer took 115.83ms. Allocated memory is still 318.8MB. Free memory was 177.8MB in the beginning and 172.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-13 23:27:33,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08fc18ac-427d-454f-8bbe-1eba2b0cf033/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE